Vulnerability Monitor

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CVE-2025-0620

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.

Published

2025-06-06T14:15:21.247

Last Modified

2025-11-18T15:46:16.790

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.6 (MEDIUM)

Weaknesses

Type: Secondary
CWE-552

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	samba	samba	< 4.21.6	Yes
Application	samba	samba	< 4.22.2	Yes

References

https://access.redhat.com/security/cve/CVE-2025-0620 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2370453 Issue Tracking, Third Party Advisory ([email protected])
https://www.samba.org/samba/security/CVE-2025-0620.html Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2025/06/03/8 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)