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{"cisaActionDue": "2023-04-28", "cisaExploitAdd": "2023-04-07", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Veritas Backup Exec Agent Improper Authentication Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:veritas:backup_exec:*:*:*:*:*:*:*:*", "matchCriteriaId": "2E6F2EEE-7E5A-4EA1-87F2-97C26EAE8FCC", "versionEndExcluding": "21.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Veritas Backup Exec before 21.2. It supports multiple authentication schemes: SHA authentication is one of these. This authentication scheme is no longer used in current versions of the product, but hadn't yet been disabled. An attacker could remotely exploit this scheme to gain unauthorized access to an Agent and execute privileged commands."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Veritas Backup Exec versiones anteriores a 21.2. Admite m\u00faltiples esquemas de autenticaci\u00f3n: la autenticaci\u00f3n SHA es uno de ellos. Este esquema de autenticaci\u00f3n ya no se utiliza en las versiones actuales del producto, pero a\u00fan no se ha desactivado. Un atacante podr\u00eda explotar este esquema remotamente para conseguir acceso no autorizado a un agente y ejecutar comandos privilegiados"}], "id": "CVE-2021-27877", "lastModified": "2022-09-27T20:15:04.043", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2021-03-01T22:15:14.460", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/168506/Veritas-Backup-Exec-Agent-Remote-Code-Execution.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.veritas.com/content/support/en_US/security/VTS21-001#issue1"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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