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.

CVSS v3 6.6 MEDIUM

6.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.7 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2025-0620	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2370453	Issue Tracking Third Party Advisory
https://www.samba.org/samba/security/CVE-2025-0620.html	Vendor Advisory
http://www.openwall.com/lists/oss-security/2025/06/03/8	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:samba:samba::::::::
	cpe:2.3:a:samba:samba::::::::

History

No history.

Information

Published : 2025-06-06 14:15

Updated : 2025-11-18 15:46

NVD link : CVE-2025-0620

Mitre link : CVE-2025-0620

CVE.ORG link : CVE-2025-0620

JSON object : View

Products Affected

samba

samba

CWE

CWE-552

Files or Directories Accessible to External Parties

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