CVE-2015-0205: OpenSSL

Medium severity, CVSS 5.0. EPSS: 22.3% chance of exploitation in the next 30 days.

The ssl3_get_cert_verify function in s3_srvr.c in OpenSSL 1.0.0 before 1.0.0p and 1.0.1 before 1.0.1k accepts client authentication with a Diffie-Hellman (DH) certificate without requiring a CertificateVerify message, which allows remote attackers to obtain access without knowledge of a private key via crafted TLS Handshake Protocol traffic to a server that recognizes a Certification Authority with DH support.

Affected products

• OpenSSL OpenSSL: version 1.0.0a only; version 1.0.0b only; version 1.0.0c only; version 1.0.0d only; version 1.0.0e only; version 1.0.0f only; …

Published 2015-01-09. Last modified 2026-06-17.