CVE-2021-26712

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "matchCriteriaId": "DA727A7F-D350-450F-BF24-9E6D45FA6930", "versionEndIncluding": "13.38.2", "versionStartIncluding": "13.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "matchCriteriaId": "7382B641-0396-456F-BF33-3F6412E35F2D", "versionEndExcluding": "16.16.1", "versionStartIncluding": "16.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "matchCriteriaId": "C5BA8606-ADA9-4841-A7E2-A9165138849A", "versionEndExcluding": "17.9.2", "versionStartIncluding": "17.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "matchCriteriaId": "F10CB148-DF9C-4134-A417-3B111C036E20", "versionEndExcluding": "18.2.1", "versionStartIncluding": "18.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:-:*:*:*:*:*:*", "matchCriteriaId": "81C3E390-8B99-4EB8-82DD-02893611209A", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc1:*:*:*:*:*:*", "matchCriteriaId": "17DB2297-1908-4F87-8046-2BAA74569D71", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc2:*:*:*:*:*:*", "matchCriteriaId": "CEA2CC40-C2F6-4828-82F0-1B50D3E61F77", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc3:*:*:*:*:*:*", "matchCriteriaId": "32F19F43-C1E8-4B6C-9356-AF355B7320BD", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc4:*:*:*:*:*:*", "matchCriteriaId": "21D1FA32-B441-485F-8AE9-F3A394626909", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert2:*:*:*:*:*:*", "matchCriteriaId": "F7795CCF-B160-4B4F-9529-1192C11D7FDB", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert3:*:*:*:*:*:*", "matchCriteriaId": "0C5E5D0D-9EB3-40FD-8B7E-E93A95D07AB1", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert4:*:*:*:*:*:*", "matchCriteriaId": "C7DFDA30-DD61-4BBC-AFE4-448BF2A4F303", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc1:*:*:*:*:*:*", "matchCriteriaId": "142F1F89-49AC-4A0B-A273-61F697063A5A", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc2:*:*:*:*:*:*", "matchCriteriaId": "53041795-788C-4914-A2F6-41539ABE0244", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc3:*:*:*:*:*:*", "matchCriteriaId": "FBB98E65-B2D0-49A4-8BF3-12155E3E13C9", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc4:*:*:*:*:*:*", "matchCriteriaId": "769C854C-03CD-40A9-B39B-C0CDCA8252EA", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:16.8:cert5:*:*:*:*:*:*", "matchCriteriaId": "6D86AD6E-4E07-48B0-88D8-E18F277FFE6A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect access controls in res_srtp.c in Sangoma Asterisk 13.38.1, 16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a remote unauthenticated attacker to prematurely terminate secure calls by replaying SRTP packets."}, {"lang": "es", "value": "Los controles de acceso incorrectos en el archivo res_srtp.c en Sangoma Asterisk versiones 13.38.1, 16.16.0, 17.9.1 y 18.2.0 y Certified Asterisk 16.8-cert5, permite a un atacante remoto no autenticado finalizar prematuramente llamadas seguras al reproducir paquetes SRTP"}], "id": "CVE-2021-26712", "lastModified": "2026-06-17T03:43:42.333", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-18T21:15:11.447", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://packetstormsecurity.com/files/161473/Asterisk-Project-Security-Advisory-AST-2021-003.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2021/Feb/59"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://downloads.asterisk.org/pub/security/"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://downloads.asterisk.org/pub/security/AST-2021-003.html"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://issues.asterisk.org/jira/browse/ASTERISK-29260"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://packetstormsecurity.com/files/161473/Asterisk-Project-Security-Advisory-AST-2021-003.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2021/Feb/59"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://downloads.asterisk.org/pub/security/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://downloads.asterisk.org/pub/security/AST-2021-003.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://issues.asterisk.org/jira/browse/ASTERISK-29260"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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