TI-2024-08644 Aliases CVE-2024-9312 GHSA-4gfw-wf7c-w6g2

Authd, through version 0.3.6, did not sufficiently randomize user IDs to prevent…

LOW 35CWE-286Published 2024-10-10 · Updated 2024-10-10

Key facts

Attack vector: Local
Privileges required: High
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.

Summary

Authd, through version 0.3.6, did not sufficiently randomize user IDs to prevent collisions. A local attacker who can register user names could spoof another user's ID and gain their privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00281 20th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Authd (Canonical Ltd.): 0.3.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Canonical	Authd	before 0.3.6	0.3.6	Patch available	CNA
—	github.com/ubuntu/authd (Go)	up to 0.0.0-20230706090440-d8cb2d561419	—	No fix listed	GHSA-4gfw-wf7c-w6g2

Authd VendorCanonical Affected before 0.3.6 Fixed in 0.3.6 Patch available CNA
github.com/ubuntu/authd (Go) Vendor— Affected up to 0.0.0-20230706090440-d8cb2d561419 Fixed in — No fix listed GHSA-4gfw-wf7c-w6g2

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:canonical:authd::::::::	before 0.3.6	Vulnerable	Canonical

cpe:2.3:a:canonical:authd:*:*:*:*:*:*:*:* Versions before 0.3.6 Vulnerable ·Canonical

Remediation

Fix · CNA Authd (Canonical Ltd.) Fixed in 0.3.6

Timeline

2026-10-02 Threatist record created from CVE-2024-9312
2026-10-03 Alias added: GHSA-4gfw-wf7c-w6g2

References

Exploit 1

https://github.com/ubuntu/authd/security/advisories/GHSA-4gfw-wf7c-w6g2

Advisory 2

Other 1

https://github.com/ubuntu/authd

TI-2024-08645 Improper authentication in Canonical Authd CVSS 3.1HIGH 8.8
TI-2025-05129 Improper Permission Management in SSH Session Handling CVSS 3.1HIGH 8.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences