CVE-2025-0620

4.9 mediumEPSS 0.7%

Medium (4.9) in samba samba. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.9 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-552
Published: 2025-06-06
Modified: 2026-08-31
Record from: the NVD, synced 2026-10-19

Affected

samba:samba

References

https://access.redhat.com/security/cve/CVE-2025-0620
https://bugzilla.redhat.com/show_bug.cgi?id=2370453
https://www.samba.org/samba/security/CVE-2025-0620.html
http://www.openwall.com/lists/oss-security/2025/06/03/8

Check your stack JSON