CVE-2015-3298
CVE-2015-3298 is a high-severity vulnerability in Yubico Ykneo-openpgp with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-347
- Affected product: Yubico Ykneo-openpgp
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2015-3298?
- 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.
- How severe is CVE-2015-3298?
- CVE-2015-3298 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2015-3298 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-3298?
- CVE-2015-3298 affects Yubico Ykneo-openpgp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-3298?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2015-3298 published?
- CVE-2015-3298 was published on 2022-03-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:yubico:ykneo-openpgp:*:*:*:*:*:*:*:*
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