CVE-2023-36655: Prolion Cryptospike

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

The login REST API in ProLion CryptoSpike 3.0.15P2 (when LDAP or Active Directory is used as the users store) allows a remote blocked user to login and obtain an authentication token by specifying a username with different uppercase/lowercase character combination.

Affected products

• Prolion Cryptospike: version 3.0.15 only

Published 2023-12-06. Last modified 2026-06-17.