{ "id": "CVE-2021-1501", "sourceIdentifier": "psirt@cisco.com", "published": "2021-04-29T18:15:09.463", "lastModified": "2024-11-21T05:44:29.640", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition.The vulnerability is due to a crash that occurs during a hash lookup for a SIP pinhole connection. An attacker could exploit this vulnerability by sending crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a crash and reload of the affected device." }, { "lang": "es", "value": "Una vulnerabilidad en el motor de inspecci\u00f3n SIP del Software Cisco Adaptive Security Appliance (ASA) y el software Cisco Firepower Threat Defense (FTD), podr\u00eda permitir a un atacante remoto no autenticado causar un bloqueo y la recarga de un dispositivo afectado, resultando en una denegaci\u00f3n de servicio ( DoS). La vulnerabilidad es debido a un bloqueo que ocurre durante una b\u00fasqueda de hash para una conexi\u00f3n SIP pinhole. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de tr\u00e1fico SIP dise\u00f1ado a trav\u00e9s de un dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar un bloqueo y recargar el dispositivo afectado" } ], "metrics": { "cvssMetricV31": [ { "source": "psirt@cisco.com", "type": "Secondary", "cvssData": { "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" }, "exploitabilityScore": 3.9, "impactScore": 4.0 }, { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "baseScore": 7.8, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE" }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "psirt@cisco.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-613" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2.2", "versionEndExcluding": "6.4.0.12", "matchCriteriaId": "F27F5475-6A35-41D8-AF91-CD49CFDBC192" }, { "vulnerable": true, "criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5.0", "versionEndExcluding": "6.6.4", "matchCriteriaId": "04202164-FCC4-413E-90B5-01FE08AC6EEC" }, { "vulnerable": true, "criteria": "cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7.0", "versionEndExcluding": "6.7.0.2", "matchCriteriaId": "FDDF492B-BC61-4814-B05F-3F6CD07080F7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.8", "versionEndExcluding": "9.8.4.34", "matchCriteriaId": "17BDCF23-5836-4E95-A0E6-81334FE3F7BE" }, { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.9", "versionEndExcluding": "9.9.2.85", "matchCriteriaId": "8A9BFFBC-F577-47CD-83E8-A6227B17D557" }, { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.10", "versionEndExcluding": "9.12.4.18", "matchCriteriaId": "13C4CAAF-7E9E-4D91-AF3D-9792CE47FDAF" }, { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.13", "versionEndExcluding": "9.13.1.21", "matchCriteriaId": "5B74C14F-C95B-4AF5-A255-1CA824AA7FDE" }, { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.14", "versionEndExcluding": "9.14.2.13", "matchCriteriaId": "06071877-6E69-4440-9306-6410223218D7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.15", "versionEndExcluding": "9.15.1.15", "matchCriteriaId": "9D2794F2-BC8F-42CC-910A-203BE7B3475F" } ] } ] } ], "references": [ { "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-sipdos-GGwmMerC", "source": "psirt@cisco.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-sipdos-GGwmMerC", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] } ] }