CVE-2015-3298

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-03-30 · updated 2026-06-17
Weakness: CWE-347

Description

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

How to fix

Upgrade to a fixed version: Yubico Ykneo-Openpgp 1.0.10. Check the vendor advisory for mitigations.

References

https://developers.yubico.com/ykneo-openpgp/SecurityAdvisory%202015-04-14.html
https://developers.yubico.com/ykneo-openpgp/SecurityAdvisory%202015-04-14.html

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