CVE-2015-3298: Yubico Ykneo-Openpgp

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Yubico ykneo-openpgp before 1.0.10 has a typo in which an invalid PIN can be used. When first powered up, a signature will be issued even though the PIN has not been validated.

Affected products

• Yubico Ykneo-Openpgp: before 1.0.10 (fixed in 1.0.10)

Published 2022-03-30. Last modified 2026-06-17.