CVE-2025-29991

low

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.

References

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

Details

Source: Mitre, NVD

Published: 2025-04-03

Updated: 2025-04-07

Risk Information

CVSS v2

Base Score: 1

Vector: CVSS2#AV:L/AC:H/Au:S/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 2.2

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N