{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2025-20134",
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "state": "PUBLISHED",
        "assignerShortName": "cisco",
        "dateReserved": "2024-10-10T19:15:13.212Z",
        "datePublished": "2025-08-14T16:28:07.782Z",
        "dateUpdated": "2025-08-19T21:41:44.731Z"
    },
    "containers": {
        "cna": {
            "title": "Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL/TLS Certificate Denial of Service Vulnerability",
            "metrics": [
                {
                    "format": "cvssV3_1",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                        "baseScore": 8.6,
                        "baseSeverity": "HIGH",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH"
                    }
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability in the certificate processing of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.\r\n\r\nThis vulnerability is due to improper parsing of SSL/TLS certificates. An attacker could exploit this vulnerability by sending crafted DNS packets that match a static Network Address Translation (NAT) rule with DNS inspection enabled through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition."
                }
            ],
            "references": [
                {
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ssltls-dos-eHw76vZe",
                    "name": "cisco-sa-asaftd-ssltls-dos-eHw76vZe"
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
                }
            ],
            "source": {
                "advisory": "cisco-sa-asaftd-ssltls-dos-eHw76vZe",
                "discovery": "INTERNAL",
                "defects": [
                    "CSCwk44159"
                ]
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Double Free",
                            "type": "cwe",
                            "cweId": "CWE-415"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Cisco",
                    "product": "Cisco Adaptive Security Appliance (ASA) Software",
                    "versions": [
                        {
                            "version": "9.12.4.39",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.40",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.6",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.7",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.41",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.47",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.12",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.48",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.13",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.50",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.14",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.52",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.15",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.54",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.17",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.55",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.22",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.23",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.56",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.58",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.62",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.65",
                            "status": "affected"
                        },
                        {
                            "version": "9.12.4.67",
                            "status": "affected"
                        },
                        {
                            "version": "9.14.4.24",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Cisco",
                    "product": "Cisco Firepower Threat Defense Software",
                    "versions": [
                        {
                            "version": "6.6.5.2",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.15",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.7",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.16",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.7.1",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.17",
                            "status": "affected"
                        },
                        {
                            "version": "6.6.7.2",
                            "status": "affected"
                        },
                        {
                            "version": "6.4.0.18",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "providerMetadata": {
                "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
                "shortName": "cisco",
                "dateUpdated": "2025-08-19T21:41:44.731Z"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-08-14T18:42:13.832362Z",
                                "id": "CVE-2025-20134",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "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": "2025-08-14T19:21:52.387Z"
                }
            }
        ]
    }
}