CVSS 3.1
2.2 lowCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:NCVE-2025-29991
Low (2.2). EPSS 0.1% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1390
- Published
- Modified
- Record from
- the NVD, synced