{"affected":[{"affectedData":[{"collectionURL":"https://www.samba.org/","defaultStatus":"unaffected","packageName":"samba","versions":[{"lessThan":"4.21.6","status":"affected","version":"4.21.0","versionType":"semver"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"samba","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:rhel_els:6"],"defaultStatus":"unaffected","packageName":"samba","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:rhel_els:6"],"defaultStatus":"unaffected","packageName":"samba4","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:rhel_els:7"],"defaultStatus":"unaffected","packageName":"samba","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"samba","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"samba","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"unaffected","packageName":"openshift/ose-rhel-coreos-8","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"unaffected","packageName":"openshift/ose-rhel-coreos-9","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}],"source":"secalert@redhat.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*","matchCriteriaId":"BB495488-6E37-4519-8170-B8E160958149","versionEndExcluding":"4.21.6","versionStartIncluding":"4.21.0","vulnerable":true},{"criteria":"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*","matchCriteriaId":"69D6B3DB-4911-4E72-B3DE-D9443E5765B5","versionEndExcluding":"4.22.2","versionStartIncluding":"4.22.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"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 detectó una falla en Samba. El demonio de servicio smbd no detecta los cambios en la membresía de grupo al volver a autenticar una sesión SMB expirada. Este problema puede exponer los recursos compartidos de archivos hasta que los clientes se desconecten y se vuelvan a conectar."}],"id":"CVE-2025-0620","lastModified":"2026-11-05T15:17:06.207","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"exploitabilityScore":1.2,"impactScore":3.6,"source":"secalert@redhat.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"exploitabilityScore":1.2,"impactScore":3.6,"source":"nvd@nist.gov","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2025-0620","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-03-18T20:43:04.010677Z","version":"2.0.3"}}]},"published":"2025-06-06T14:15:21.247","references":[{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2025-0620"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2370453"},{"source":"secalert@redhat.com","tags":["Vendor Advisory"],"url":"https://www.samba.org/samba/security/CVE-2025-0620.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2025/06/03/8"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-552"}],"source":"secalert@redhat.com","type":"Secondary"}]}