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Status published
Low
CVE-2025-12889
TLS 1.2 Client Can Downgrade Digest Used
Vulnerability Description
With TLS 1.2 connections a client can use any digest, specifically a weaker digest that is supported, rather than those in the CertificateRequest.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Jaehun Lee from Pohang University of Science and Technology (POSTECH)
References
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Affected Vendor
wolfSSL
View all reports →Affected Software
wolfSSL
Vulnerable Versions:
0
Timeline
Official Publish:
November 21st, 2025
Last Modified:
December 8th, 2025
Added to House:
July 22nd, 2026