What’s Vulnerable › Vulnerabilities
CVE-2024-5814: Unverifed Ciphersuite used on a client-side TLS1.3 Downgrade
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-08-27 · updated 2026-06-17
- Weakness: CWE-284
Description
A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a ciphersuite that it did not agree to and achieve a successful connection. This is because, aside from the extensions, the client was skipping fully parsing the server hello. https://doi.org/10.46586/tches.v2024.i1.457-500
Affected products
- wolfSSL: through 5.7.0
References
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