{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-1379",
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "state": "PUBLISHED",
        "assignerShortName": "cisco",
        "dateReserved": "2020-11-13T00:00:00.000Z",
        "datePublished": "2024-11-18T15:42:00.388Z",
        "dateUpdated": "2024-11-18T16:23:13.534Z"
    },
    "containers": {
        "cna": {
            "title": "Cisco IP Phones Cisco Discovery Protocol and Link Layer Discovery Protocol Remote Code Execution and Denial of Service Vulnerabilities",
            "metrics": [
                {
                    "format": "cvssV3_1",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/RL:X/RC:X/E:X",
                        "baseScore": 6.5,
                        "baseSeverity": "MEDIUM",
                        "attackVector": "ADJACENT_NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH"
                    }
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco IP Phone Series 68xx/78xx/88xx could allow an unauthenticated, adjacent attacker to execute code remotely or cause a reload of an affected IP phone.\r\nThese vulnerabilities are due to missing checks when the IP phone processes a Cisco Discovery Protocol or LLDP packet. An attacker could exploit these vulnerabilities by sending a malicious Cisco Discovery Protocol or LLDP packet to the targeted IP phone. A successful exploit could allow the attacker to execute code on the affected IP phone or cause it to reload unexpectedly, resulting in a denial of service (DoS) condition.Note: Cisco Discovery Protocol is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities."
                }
            ],
            "references": [
                {
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipphone-rce-dos-U2PsSkz3",
                    "name": "cisco-sa-ipphone-rce-dos-U2PsSkz3"
                },
                {
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-distupd-N87eB6Z3",
                    "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-distupd-N87eB6Z3"
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
                }
            ],
            "source": {
                "advisory": "cisco-sa-ipphone-rce-dos-U2PsSkz3",
                "discovery": "EXTERNAL",
                "defects": [
                    "CSCvu59351"
                ]
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
                            "type": "cwe",
                            "cweId": "CWE-120"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Cisco",
                    "product": "Cisco IP Phones with Multiplatform Firmware",
                    "versions": [
                        {
                            "version": "11.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "11.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "11.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "11.2.2",
                            "status": "affected"
                        },
                        {
                            "version": "11.2.3 MSR1-1",
                            "status": "affected"
                        },
                        {
                            "version": "11.1.2 MSR1-1",
                            "status": "affected"
                        },
                        {
                            "version": "11.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "11.1.2 MSR3-1",
                            "status": "affected"
                        },
                        {
                            "version": "11.0.0",
                            "status": "affected"
                        },
                        {
                            "version": "11.1.1 MSR1-1",
                            "status": "affected"
                        },
                        {
                            "version": "11.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "11.1.1 MSR2-1",
                            "status": "affected"
                        },
                        {
                            "version": "11.2.4",
                            "status": "affected"
                        },
                        {
                            "version": "11.0.1 MSR1-1",
                            "status": "affected"
                        },
                        {
                            "version": "11.0.2",
                            "status": "affected"
                        },
                        {
                            "version": "11.3.1",
                            "status": "affected"
                        },
                        {
                            "version": "11.3.1 MSR1-3",
                            "status": "affected"
                        },
                        {
                            "version": "11.3.2",
                            "status": "affected"
                        },
                        {
                            "version": "11.3.1 MSR2-6",
                            "status": "affected"
                        },
                        {
                            "version": "11.3.1 MSR3-3",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Cisco",
                    "product": "Cisco Session Initiation Protocol (SIP) Software",
                    "versions": [
                        {
                            "version": "9.0(3)",
                            "status": "affected"
                        },
                        {
                            "version": "9.0(2)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "9.0(2)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "9.2(1)",
                            "status": "affected"
                        },
                        {
                            "version": "9.4(2)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "9.4(2)",
                            "status": "affected"
                        },
                        {
                            "version": "9.4(2)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "9.4(2)SR3",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(1)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(1)SR3",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "9.1(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(1)SR4",
                            "status": "affected"
                        },
                        {
                            "version": "9.2(3)",
                            "status": "affected"
                        },
                        {
                            "version": "9.2(1)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(1)",
                            "status": "affected"
                        },
                        {
                            "version": "9.4(2)SR4",
                            "status": "affected"
                        },
                        {
                            "version": "12.1(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(2)",
                            "status": "affected"
                        },
                        {
                            "version": "10.2(2)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1)SR4",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(1)SR2 3rd Party",
                            "status": "affected"
                        },
                        {
                            "version": "11.7(1)",
                            "status": "affected"
                        },
                        {
                            "version": "12.1(1)",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(0.7) MPP",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(4) 3rd Party",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "10.2(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(4)SR3 3rd Party",
                            "status": "affected"
                        },
                        {
                            "version": "10.2(1)",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "11-0-1MSR1-1",
                            "status": "affected"
                        },
                        {
                            "version": "10.4(1) 3rd Party",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "11.5(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "10.1(1)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "12.0(1)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "12.6(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1.11) 3rd Party",
                            "status": "affected"
                        },
                        {
                            "version": "12.0(1)",
                            "status": "affected"
                        },
                        {
                            "version": "12.0(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(3)",
                            "status": "affected"
                        },
                        {
                            "version": "12.5(1)SR3",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1)SR4b",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(4)SR1 3rd Party",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1)SR5",
                            "status": "affected"
                        },
                        {
                            "version": "10.1(1.9)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1.9) 3rd Party",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(4)SR2 3rd Party",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1)SR3",
                            "status": "affected"
                        },
                        {
                            "version": "10.1(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "12.0(1)SR3",
                            "status": "affected"
                        },
                        {
                            "version": "12.6(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "12.7(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.3(1)SR6",
                            "status": "affected"
                        },
                        {
                            "version": "12.8(1)",
                            "status": "affected"
                        },
                        {
                            "version": "12.7(1)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(2)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(4)",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(2)",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(4)SR3",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(5)",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(3)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(3)SR4",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(3)SR3",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(2)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(4)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(5)SR3",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(3)",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(5)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(3)SR6",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(5)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(4)SR2",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(3)SR1",
                            "status": "affected"
                        },
                        {
                            "version": "11.0(3)SR5",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Cisco",
                    "product": "Cisco Small Business IP Phones",
                    "versions": [
                        {
                            "version": "7.4.8",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.5a",
                            "status": "affected"
                        },
                        {
                            "version": "7.3.7",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.6",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.7",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2SR3",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.6",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.6c",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.0",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.7",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2SR6",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.2b",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.5",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.6a",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2SR2",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.3",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.2a",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.6(XU)",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.7s",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2SR4",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2SR1",
                            "status": "affected"
                        },
                        {
                            "version": "7.4.9",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.5b",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2SR5",
                            "status": "affected"
                        },
                        {
                            "version": "7.5.4",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "7.6.2SR7",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "providerMetadata": {
                "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
                "shortName": "cisco",
                "dateUpdated": "2024-11-18T15:42:00.388Z"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-11-18T16:22:56.651830Z",
                                "id": "CVE-2021-1379",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-11-18T16:23:13.534Z"
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}