CVE-2025-29991
Last modified
CVE-2025-29991 is a low-severity vulnerability rated 2.2/10 on the CVSS scale. 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.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2025-29991?
How severe is CVE-2025-29991?
How do I fix CVE-2025-29991?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-29985Dell Common Event Enabler, version(s) CEE 9.0.0.0, contain(s…6.5
- CVE-2025-29986Dell Common Event Enabler, version(s) CEE 9.0.0.0, contain(s…8.3
- CVE-2025-29987Dell PowerProtect Data Domain with Data Domain Operating Sys…8.8
- CVE-2025-29988Dell Client Platform BIOS contains a Stack-based Buffer Over…6.7
- CVE-2025-29989Dell Client Platform BIOS contains a Security Version Number…4.4
- CVE-2025-2999A vulnerability was found in PyTorch 2.6.0. It has been rate…5.3
- CVE-2025-29992Mahara before 24.04.9 exposes database connection informatio…7.5
- CVE-2025-29993The affected versions of PowerCMS allow HTTP header injectio…5.3
- CVE-2025-29994This vulnerability exists in the CAP back office application…8.2
- CVE-2025-29995This vulnerability exists in the CAP back office application…8.3
- CVE-2025-29996This vulnerability exists in the CAP back office application…8.2
- CVE-2025-29997This vulnerability exists in the CAP back office application…8.2
Are you affected by CVE-2025-29991?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST