CVE-2025-0620 | BDVDB-2026-281187 Detail

Red HatRed Hat Enterprise Linux 10

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-552 Files or Directories Accessible to External Parties

References#

Exploit#

No public exploit known

History#

Version 12025-06-06Record published in the CVE List.
Version 22026-11-05Most recent update recorded in the CVE List.

Published

Published: 2025-06-06
Last modified: 2026-11-05

Vendor information

Vendor: Red Hat
Product: Red Hat Enterprise Linux 10

All Red Hat vulnerabilities

Score

4.9 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 56.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.9 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).