CVE-2023-28725: Generalbytes Crypto Application Server

Critical severity, CVSS 9.1. EPSS: 20.6% chance of exploitation in the next 30 days.

General Bytes Crypto Application Server (CAS) 20230120, as distributed with General Bytes BATM devices, allows remote attackers to execute arbitrary Java code by uploading a Java application to the /batm/app/admin/standalone/deployments directory, aka BATM-4780, as exploited in the wild in March 2023. This is fixed in 20221118.48 and 20230120.44.

Affected products

  • Generalbytes Crypto Application Server: version 20230120 only

Published 2023-03-22. Last modified 2026-06-17.