What’s Vulnerable › Vulnerabilities
CVE-2025-12889: TLS 1.2 Client Can Downgrade Digest Used
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-11-22 · updated 2026-10-19
- Weakness: CWE-20
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.
Affected products
- wolfSSL: 5.8.4
References
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