CVE-2023-33201: Bouncycastle Bc-Java

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Bouncy Castle For Java before 1.74 is affected by an LDAP injection vulnerability. The vulnerability only affects applications that use an LDAP CertStore from Bouncy Castle to validate X.509 certificates. During the certificate validation process, Bouncy Castle inserts the certificate's Subject Name into an LDAP search filter without any escaping, which leads to an LDAP injection vulnerability.

Affected products

• Bouncycastle Bc-Java: before 1.74 (fixed in 1.74)

Published 2023-07-05. Last modified 2026-06-17.