CVE-2025-0620

Medium

Open

TLP:CLEAR

Samba: smbd doesn't pick up group membership changes when re-authenticating an expired smb session

NVD CVE.org

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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.

Details

CVSS Score: 4.9
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Confidence: 90%
Published: Jun 6, 2025
Last Modified: Aug 21, 2026

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