CVE-2022-25638
mediumpriority · track · 26EPSS 0.006 · 50 %ileEUUSEPSS · scored 2026-10-28
In wolfSSL before 5.2.0, certificate validation may be bypassed during attempted authentication by a TLS 1.3 client to a TLS 1.3 server. This occurs when the sig_algo field differs between the certificate_verify message and the certificate message.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-25638/cnnvd
- https://github.com/wolfSSL/wolfssl/pull/4813cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-25638cnnvd
- https://www.wolfssl.com/docs/security-vulnerabilities/cnnvd
- https://github.com/wolfSSL/wolfssl/pull/4813enisa_euvd
- https://www.wolfssl.com/docs/security-vulnerabilities/enisa_euvd
- https://github.com/wolfSSL/wolfssl/pull/4813PatchThird Party Advisorynvd
- https://www.wolfssl.com/docs/security-vulnerabilities/Vendor Advisorynvd
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