In wolfSSL before 5.2.0, a TLS 1.3 server cannot properly enforce a requirement for mutual authentication. A client can simply omit the certificate_verify message from the handshake, and never present a certificate.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/25xxx/CVE-2022-25640.json",
"cna_assigner": "mitre"
}{
"cpe": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "5.2.0"
}
],
"source": [
"DESCRIPTION",
"CPE_RANGE"
]
}