CVE-2022-22516: Codesys Control Rte Sl

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

The SysDrv3S driver in the CODESYS Control runtime system on Microsoft Windows allows any system user to read and write within restricted memory space.

Affected products

• Codesys Control Rte Sl: before 3.5.18.0 (fixed in 3.5.18.0)
• Codesys Control Rte Sl (for Beckhoff Cx): before 3.5.18.0 (fixed in 3.5.18.0)
• Codesys Control Win Sl: before 3.5.18.0 (fixed in 3.5.18.0)
• Codesys Development System: before 3.5.18.0 (fixed in 3.5.18.0)

Published 2022-04-07. Last modified 2026-06-17.