{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-35087",
        "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
        "state": "PUBLISHED",
        "assignerShortName": "CERT-PL",
        "dateReserved": "2026-04-01T11:23:16.117Z",
        "datePublished": "2026-05-27T12:42:04.409Z",
        "dateUpdated": "2026-05-27T15:39:44.033Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "IPx",
                    "vendor": "Slican",
                    "versions": [
                        {
                            "lessThan": "6.61.0040",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "product": "CCT-1668",
                    "vendor": "Slican",
                    "versions": [
                        {
                            "lessThan": "6.56.0430",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "product": "MAC-6400",
                    "vendor": "Slican",
                    "versions": [
                        {
                            "lessThan": "6.56.0430",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "product": "CXS-0424",
                    "vendor": "Slican",
                    "versions": [
                        {
                            "lessThan": "6.30.0510",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "product": "NCP",
                    "vendor": "Slican",
                    "versions": [
                        {
                            "lessThan": "1.24.0250",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Grupa ŻN"
                }
            ],
            "datePublic": "2026-05-27T12:41:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "Slican telephone exchanges allow administrative protocol authentication bypass. An attacker can bypass the need to enter login credentials by executing the appropriate command.<br><br><br>This issue was fixed in versions below:<br><span style=\"background-color: rgb(255, 255, 255);\">- NCP: version 1.24.0250</span><br><span style=\"background-color: rgb(255, 255, 255);\">- IPx series: version 6.61.0040</span><br><span style=\"background-color: rgb(255, 255, 255);\">- CCT-1668: version 6.56.0430</span><br><span style=\"background-color: rgb(255, 255, 255);\">- MAC-6400: version 6.56.0430</span><br><span style=\"background-color: rgb(255, 255, 255);\">- CXS-0424: version 6.30.0510<br><br></span>The issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:<br><span style=\"background-color: rgb(255, 255, 255);\">- CCT-1668 (<span style=\"background-color: rgba(221, 223, 228, 0.1);\">CCT1CPU)</span></span><br><span style=\"background-color: rgb(255, 255, 255);\">- MAC-6400<br></span>-&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">CXS-0424<br></span>These products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading."
                        }
                    ],
                    "value": "Slican telephone exchanges allow administrative protocol authentication bypass. An attacker can bypass the need to enter login credentials by executing the appropriate command.\n\n\nThis issue was fixed in versions below:\n- NCP: version 1.24.0250\n- IPx series: version 6.61.0040\n- CCT-1668: version 6.56.0430\n- MAC-6400: version 6.56.0430\n- CXS-0424: version 6.30.0510\n\nThe issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:\n- CCT-1668 (CCT1CPU)\n- MAC-6400\n- CXS-0424\nThese products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 9.3,
                        "baseSeverity": "CRITICAL",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "HIGH",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-288",
                            "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
                "shortName": "CERT-PL",
                "dateUpdated": "2026-05-27T12:51:19.907Z"
            },
            "references": [
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://cert.pl/posts/2026/05/CVE-2026-35087"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Authentication Bypass in Slican telephone exchanges",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-27T15:39:29.538641Z",
                                "id": "CVE-2026-35087",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-05-27T15:39:44.033Z"
                }
            }
        ]
    }
}