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NVD Vulnerability Details :

CVE-2025-5689

Analyzed

Source-security@ubuntu.com

Published At-16 Jun, 2025 | 12:15

Updated At-26 Aug, 2025 | 16:04

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	8.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

CPE Matches

Canonical Ltd.

>>authd>>Versions before 0.5.4(exclusive)

cpe:2.3:a:canonical:authd:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-269	Secondary	134c704f-9b21-4f2e-91b3-4a467353bcc0

References

Hyperlink	Source	Resource
https://github.com/ubuntu/authd/security/advisories/GHSA-g8qw-mgjx-rwjr	security@ubuntu.com	Patch Vendor Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History