// For flags

CVE-2025-10230

Samba: command injection in wins server hook script

Severity Score

10.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A flaw was found in Samba, in the front-end WINS hook handling: NetBIOS names from registration packets are passed to a shell without proper validation or escaping. Unsanitized NetBIOS name data from WINS registration packets are inserted into a shell command and executed by the Samba Active Directory Domain Controller’s wins hook, allowing an unauthenticated network attacker to achieve remote command execution as the Samba process.

USN-7826-1 fixed vulnerabilities in Samba. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Andrew Walker discovered that Samba incorrectly initialized memory in the vfs_streams_xattr module. An authenticated attacker could possibly use this issue to obtain sensitive information.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
Poc
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2025-09-10 CVE Reserved
  • 2025-10-15 CVE Published
  • 2026-02-26 CVE Updated
  • 2026-04-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
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Red Hat
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Enterprise Linux
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*-
Affected
Redhat
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Openshift
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*-
Affected
Canonical
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Ubuntu Linux
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Affected
Debian
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Debian Linux
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Affected
Fedoraproject
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Fedora
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*-
Affected
Opensuse
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Leap
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Affected
Redhat
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Enterprise Linux
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Affected
Redhat
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Openshift
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Affected
Slackware
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Slackware Linux
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Affected
Suse
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Sle-ha
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Affected
Suse
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Sle-module-basesystem
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Affected
Suse
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Sle Hpc-espos
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Affected
Suse
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Sle Hpc-ltss
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Affected
Suse
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Sle Hpc
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Affected
Suse
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Sled
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Affected
Suse
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Sles-ltss-extended-security
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Affected
Suse
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Sles-ltss
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Affected
Suse
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Sles
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Affected
Suse
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Sles Sap
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Affected
Suse
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Suse-manager-proxy-lts
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Affected
Suse
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Suse-manager-server-lts
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Affected
Uos
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Uos Server 20
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Affected