CVE-2025-49832

{"id": "CVE-2025-49832", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-49832", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-08-01T18:28:56.826749Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "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}, {"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}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "asterisk", "product": "asterisk", "versions": [{"status": "affected", "version": "< 18.26.3"}, {"status": "affected", "version": ">= 20.00.0, < 20.15.1"}, {"status": "affected", "version": ">= 21.00.0, < 21.10.1"}, {"status": "affected", "version": ">= 22.00.0, < 22.5.1"}, {"status": "affected", "version": ">= 20.7-cert6, < 20.7-cert7"}]}]}], "published": "2025-08-01T18:15:52.667", "references": [{"url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-mrq5-74j5-f5cr", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "Asterisk is an open source private branch exchange and telephony toolkit. In versions up to and including 18.26.2, between 20.00.0 and 20.15.0, 20.7-cert6, 21.00.0, 22.00.0 through 22.5.0, there is a remote DoS and possible RCE condition in `asterisk/res/res_stir_shaken /verification.c` that can be exploited when an attacker can set an arbitrary Identity header, or STIR/SHAKEN is enabled, with verification set in the SIP profile associated with the endpoint to be attacked. This is fixed in versions 18.26.3, 20.7-cert6, 20.15.1, 21.10.1 and 22.5.1."}, {"lang": "es", "value": "Asterisk es un kit de herramientas de telefon\u00eda y centralitas privadas de c\u00f3digo abierto. En las versiones hasta la 18.26.2 (incluida), entre las 20.00.0 y 20.15.0, 20.7-cert6, 21.00.0 y 22.00.0 a 22.5.0, existe una condici\u00f3n de denegaci\u00f3n de servicio (DoS) remota y un posible RCE en `asterisk/res/res_stir_shaken /verification.c` que puede explotarse cuando un atacante puede configurar un encabezado de identidad arbitrario, o si STIR/SHAKEN est\u00e1 habilitado, con la verificaci\u00f3n configurada en el perfil SIP asociado al endpoint atacado. Esto se ha corregido en las versiones 18.26.3, 20.7-cert6, 20.15.1, 21.10.1 y 22.5.1."}], "lastModified": "2026-06-17T09:31:58.697", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A99F7956-1812-47C7-9649-C889E5A296EB", "versionEndExcluding": "18.26.3"}, {"criteria": "cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A3AD4D76-AF85-414E-8C6D-6C505D8D58D3", "versionEndExcluding": "20.15.1", "versionStartIncluding": "20.0.0"}, {"criteria": "cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D23AFE39-A2E8-45EE-9F0B-3A96731299FD", "versionEndExcluding": "21.10.1", "versionStartIncluding": "21.0.0"}, {"criteria": "cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FFA121CE-5F37-4731-A1FA-B83F7E1AD845", "versionEndExcluding": "22.5.1", "versionStartIncluding": "22.0.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sangoma:certified_asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "44460225-C50D-414A-A2E0-F8280E1C1E1D", "versionEndIncluding": "18.9"}, {"criteria": "cpe:2.3:a:sangoma:certified_asterisk:20.7:cert1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "79225576-AF7C-4099-9624-C53578A7417F"}, {"criteria": "cpe:2.3:a:sangoma:certified_asterisk:20.7:cert1-rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "29323E6E-12C9-46C7-B29C-25E0CD537A8E"}, {"criteria": "cpe:2.3:a:sangoma:certified_asterisk:20.7:cert1-rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8E563972-78C0-40A0-83EA-6A3BA3D71946"}, {"criteria": "cpe:2.3:a:sangoma:certified_asterisk:20.7:cert2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "64209621-D458-432A-B0E3-C8D0B6698574"}, {"criteria": "cpe:2.3:a:sangoma:certified_asterisk:20.7:cert3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B148158A-8354-41C2-A44C-2C0DAABAD217"}, {"criteria": "cpe:2.3:a:sangoma:certified_asterisk:20.7:cert4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3D4D96E8-1F01-42B8-9181-67DEB12D9DD2"}, {"criteria": "cpe:2.3:a:sangoma:certified_asterisk:20.7:cert5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "50D1B02A-F5F9-48EB-A396-412821F5D602"}, {"criteria": "cpe:2.3:a:sangoma:certified_asterisk:20.7:cert6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4CBB2891-448F-4C4E-8A47-2283A8F71FE6"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}