CVE-2021-31878

{"id": "CVE-2021-31878", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-07-30T14:15:16.690", "references": [{"url": "http://downloads.asterisk.org/pub/security/AST-2021-007.html", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html", "tags": ["Patch", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "http://seclists.org/fulldisclosure/2021/Jul/48", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://downloads.digium.com/pub/security/AST-2021-007.html", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://issues.asterisk.org/jira/browse/ASTERISK-29381", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://downloads.asterisk.org/pub/security/AST-2021-007.html", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html", "tags": ["Patch", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://seclists.org/fulldisclosure/2021/Jul/48", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://downloads.digium.com/pub/security/AST-2021-007.html", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://issues.asterisk.org/jira/browse/ASTERISK-29381", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-617"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request."}, {"lang": "es", "value": "Se ha detectado un problema en PJSIP en Asterisk versiones anteriores a 16.19.1 y versiones anteriores a 18.5.1. Para explotarlo, se debe recibir un re-INVITE sin SDP despu\u00e9s de que Asterisk haya enviado una petici\u00f3n BYE"}], "lastModified": "2024-11-21T06:06:24.867", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:digium:asterisk:16.17.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4793E23F-97F7-4F87-B521-1718AA6FAD06"}, {"criteria": "cpe:2.3:a:digium:asterisk:16.18.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E01BD9F9-857A-4114-80D6-9F43B230EF3D"}, {"criteria": "cpe:2.3:a:digium:asterisk:16.19.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00B876D8-5BE7-4F40-9692-4C7C6EE49611"}, {"criteria": "cpe:2.3:a:digium:asterisk:18.3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "78681A97-2B41-494E-AA7A-3BB953E8497B"}, {"criteria": "cpe:2.3:a:digium:asterisk:18.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54266F33-D604-491F-9891-C9D8A1B68135"}, {"criteria": "cpe:2.3:a:digium:asterisk:18.5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CC9EFF-8916-46E6-97ED-39035541E350"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}