4.9mediumMedium
CVE-2025-0620
Samba Samba
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.
Exploitation status
- A vendor advisory or patch reference has been published.
What the metrics mean
- It is reachable over a network, without needing local access.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, an administrative account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 4.9 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N- Weakness
- CWE-552
- Assigned by
- secalert@redhat.com
Dates
- Published
- 2025-06-06
- Last modified
- 2026-08-31
- Sources
- NVD
Affected products
- Samba Samba4.21.0 - 4.21.6, 4.22.0 - 4.22.2
As listed in the NVD configuration data. Not a statement about your estate.