CVE-2021-43414

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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:gnu:hurd:*:*:*:*:*:*:*:*", "matchCriteriaId": "F6A9E403-F3B3-4336-9A64-AEE7A1E2A0D9", "versionEndExcluding": "0.9.20210404-9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in GNU Hurd before 0.9 20210404-9. The use of an authentication protocol in the proc server is vulnerable to man-in-the-middle attacks, which can be exploited for local privilege escalation to get full root access."}, {"lang": "es", "value": "Se ha detectado un problema en GNU Hurd versiones anteriores a 0.9 20210404-9. El uso de un protocolo de autenticaci\u00f3n en el servidor proc es vulnerable a unos ataques de tipo man-in-the-middle, que pueden ser explotados para la escalada de privilegios local para conseguir acceso completo a la root"}], "id": "CVE-2021-43414", "lastModified": "2026-06-17T04:10:56.553", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-07T18:15:07.830", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "url": "https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html"}, {"source": "cve@mitre.org", "url": "https://www.mail-archive.com/bug-hurd%40gnu.org/msg32114.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Vendor Advisory"], "url": "https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.mail-archive.com/bug-hurd%40gnu.org/msg32114.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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