CVE-2010-4252: OpenSSL

High severity, CVSS 7.5. EPSS: 8.1% chance of exploitation in the next 30 days.

OpenSSL before 1.0.0c, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the shared secret, and successfully authenticate, by sending crafted values in each round of the protocol.

Affected products

• OpenSSL OpenSSL: up to and including 1.0.0b; version 0.9.1c only; version 0.9.2b only; version 0.9.3 only; version 0.9.3a only; version 0.9.4 only; …

Published 2010-12-06. Last modified 2026-06-16.