SB2025061636 - Privilege escalation in authd



SB2025061636 - Privilege escalation in authd

Published: June 16, 2025 Updated: April 24, 2026

Security Bulletin ID SB2025061636
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper privilege management (CVE-ID: CVE-2025-5689)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper privilege management for newly created accounts. When a user who hasn't logged in to the system before (i.e. doesn't exist in the authd user database) logs in via SSH, the user is considered a member of the root group in the context of the SSH session.


Remediation

Install update from vendor's website.