CVE-2020-27837

{"id": "CVE-2020-27837", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.4, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.5}]}, "published": "2020-12-28T19:15:13.063", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1906812", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in GDM in versions prior to 3.38.2.1. A race condition in the handling of session shutdown makes it possible to bypass the lock screen for a user that has autologin enabled, accessing their session without authentication. This is similar to CVE-2017-12164, but requires more difficult conditions to exploit."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en GDM en versiones anteriores a 3.38.2.1. Una condici\u00f3n de carrera en el manejo del cierre de sesi\u00f3n hace posible omitir la pantalla de bloqueo para un usuario que tiene habilitado el inicio de sesi\u00f3n autom\u00e1tico accediendo a su sesi\u00f3n sin autenticaci\u00f3n. Esto es similar a CVE-2017-12164, pero requiere condiciones m\u00e1s dif\u00edciles de explotar"}], "lastModified": "2020-12-30T15:26:54.697", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4A8BA638-2AED-48BA-BB9D-CD8BEAD2BA9D", "versionEndExcluding": "3.38.2.1"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}