CVE-2025-0620

{"id": "CVE-2025-0620", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.6, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.7}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.2}]}, "published": "2025-06-06T14:15:21.247", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2025-0620", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2370453", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.samba.org/samba/security/CVE-2025-0620.html", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2025/06/03/8", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-552"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in Samba. The smbd service daemon does not pick up group membership changes when re-authenticating an expired SMB session. This issue can expose file shares until clients disconnect and then connect again."}, {"lang": "es", "value": "Se detect\u00f3 una falla en Samba. El demonio de servicio smbd no detecta los cambios en la membres\u00eda de grupo al volver a autenticar una sesi\u00f3n SMB expirada. Este problema puede exponer los recursos compartidos de archivos hasta que los clientes se desconecten y se vuelvan a conectar."}], "lastModified": "2025-08-13T15:12:08.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB495488-6E37-4519-8170-B8E160958149", "versionEndExcluding": "4.21.6", "versionStartIncluding": "4.21.0"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}