CVE-2025-29991

State: Published
Severity: 2.2 Low
Published: Apr 3, 2025
Updated: Apr 3, 2025
Reserved: Mar 13, 2025

Description

Yubico YubiKey 5.4.1 through 5.7.3 before 5.7.4 has an incorrect FIDO CTAP PIN/UV Auth Protocol Two implementation. It uses the signature length from CTAP PIN/UV Auth Protocol One, even when CTAP PIN/UV Auth Protocol Two was chosen, resulting in a partial signature verification.

Scores

CVSS	Score	Vector	Source
3.1	2.2 Low	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N	mitre

Weaknesses

CWE-1390 Weak Authentication

Affected Products

Product	Versions
YubiKeyYubico	5.4.1 to before 5.7.4Affected

References

https://www.yubico.com/support/security-advisories/ysa-2025-02/

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