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HIGH · 8.5

CVE-2025-5689

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 S...

Vulnerability 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.

CVSS Score

8.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
CanonicalAuthd< 0.5.4

Related Weaknesses (CWE)

CWE-269

References

FAQ

What is CVE-2025-5689?

CVE-2025-5689 is a vulnerability with a CVSS score of 8.5 (HIGH). 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 S...

How severe is CVE-2025-5689?

CVE-2025-5689 has been rated HIGH with a CVSS base score of 8.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-5689?

Check the references section above for vendor advisories and patch information. Affected products include: Canonical Authd.