CVE-2021-27215

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9.1.x through 9.6.x before 9.6 p7, and 10.x before 10.1 p4. The Web Interfaces (Admin, Userweb, Sidechannel) can use different methods to perform the authentication of a user. A specific authentication method during login does not check the provided data (when a certain manipulation occurs) and returns OK for any authentication request. This allows an attacker to login to the admin panel as a user of his choice, e.g., the root user (with highest privileges) or even a non-existing user."}, {"lang": "es", "value": "Se detect\u00f3 un problema en genua genugate versiones anteriores a 9.0 Z p19, versiones 9.1.x hasta 9.6.x anteriores a 9.6 p7 y versiones 10.x anteriores a 10.1 p4. Las interfaces web (Admin, Userweb, Sidechannel) pueden usar diferentes m\u00e9todos para lleva a cabo la autenticaci\u00f3n de un usuario. Un m\u00e9todo de autenticaci\u00f3n espec\u00edfico durante el inicio de sesi\u00f3n no comprueba los datos proporcionados (cuando ocurre una determinada manipulaci\u00f3n) y devuelve OK para cualquier petici\u00f3n de autenticaci\u00f3n. Esto permite a un atacante iniciar sesi\u00f3n en el panel de administraci\u00f3n como un usuario de su elecci\u00f3n, por ejemplo, el usuario root (con los privilegios m\u00e1s altos) o inclusive un usuario no existente"}], "id": "CVE-2021-27215", "lastModified": "2026-06-17T03:44:28.877", "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"}]}, "published": "2021-03-03T16:15:13.260", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://kunde.genua.de/en/overview/genugate.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://sec-consult.com/vulnerability-lab/advisory/authentication-bypass-genua-genugate/"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://www.genua.de/en/it-security-solutions/high-resistance-firewall-genugate"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://kunde.genua.de/en/overview/genugate.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://sec-consult.com/vulnerability-lab/advisory/authentication-bypass-genua-genugate/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://www.genua.de/en/it-security-solutions/high-resistance-firewall-genugate"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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