VULNERABILITY INTELLIGENCE
CVE-2025-29991
CVSS score2.2 LOW
EPSS probability0.12%
CISA KEVNot currently listed
Published2025-04-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
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.
Weakness classification
- cve@mitre.org: CWE-1390