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// vulnerability record
cached · NVD via COSMOS syncCVE-2026-45389
CRITICALpublished 2026-06-15 20:16 UTC · 10 days ago · modified 2026-06-16 15:35 UTC
9.1
CVSS / 10
// description
In OCaml-TLS before 2.1.0, the server implementation does insufficient checks of the certificate provided by the client (when doing client authentication), which allows impersonation with certificates that are not meant for client authentication (because of KeyUsage and ExtendedKeyUsage).
// cvss 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N