CVE-2025-5689

Published Jun 16, 2025

Last updated a month ago

Overview

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.
Source
security@ubuntu.com
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Secondary
Base score
8.5
Impact score
4.7
Exploitability score
3.1
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Severity
HIGH

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-269

Social media

Hype score
Not currently trending

References

Sources include official advisories and independent security research.