CVE-2025-0620

medium

Description

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.

References

Advisories
More

https://bugzilla.redhat.com/show_bug.cgi?id=2370453

https://access.redhat.com/security/cve/CVE-2025-0620

http://www.openwall.com/lists/oss-security/2025/06/03/8

https://www.samba.org/samba/security/CVE-2025-0620.html

Details

Source: Mitre, NVD

Published: 2025-06-06

Updated: 2025-08-13

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 4.9

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N