VULNERABILITY INTELLIGENCE
CVE-2025-5689
CVSS score8.5 HIGH
EPSS probability0.30%
CISA KEVNot currently listed
Published2025-06-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Description
A flaw was found in the temporary user record that authd uses in the pre-auth NSS. As a result, a user login for the first time will be considered to be part of the root group in the context of that SSH session.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-269
Primary references
- security@ubuntu.com — Patch, Vendor Advisory