CVE-2025-0620
Samba Group Membership Change Delayed Authentication Vulnerability
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.
INFO
Published Date :
June 6, 2025, 2:15 p.m.
Last Modified :
June 9, 2025, 12:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
0.7
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-0620.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-0620 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-0620 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Jun. 06, 2025
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-552 Added Reference https://access.redhat.com/security/cve/CVE-2025-0620 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2370453 Added Reference https://www.samba.org/samba/security/CVE-2025-0620.html -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Jun. 06, 2025
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2025/06/03/8
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-0620 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-0620
weaknesses.