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CVE-2025-0620

Date: June 6, 2025

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

Severity Score

6.6

Related Resources (8)

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

Url: https://seclists.org/oss-sec/2025/q2/203

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

Url: https://security-tracker.debian.org/tracker/CVE-2025-0620

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2025-0620

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

Url: https://www.mend.io/vulnerability-database/CVE-2025-0620

Severity Score

6.6

Weakness Type (CWE)

Files or Directories Accessible to External Parties

CWE-552

Authentication Bypass by Primary Weakness

CWE-305

CVSS v3.1

Base Score:	6.6
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	HIGH
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

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