CVE-2023-37557: Codesys Control For Beaglebone Sl

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted remote communication requests can cause the CmpAppBP component to overwrite a heap-based buffer, which can lead to a denial-of-service condition.

Affected products

• Codesys Control For Beaglebone Sl: before 4.10.0.0 (fixed in 4.10.0.0)
• Codesys Control For Empc-a/imx6 Sl: before 4.10.0.0 (fixed in 4.10.0.0)
• Codesys Control For IOT2000 Sl: before 4.10.0.0 (fixed in 4.10.0.0)
• Codesys Control For Linux Sl: before 4.10.0.0 (fixed in 4.10.0.0)
• Codesys Control For PFC100 Sl: before 4.10.0.0 (fixed in 4.10.0.0)
• Codesys Control For PFC200 Sl: before 4.10.0.0 (fixed in 4.10.0.0)
• Codesys Control For Plcnext Sl: before 4.10.0.0 (fixed in 4.10.0.0)
• Codesys Control For Raspberry Pi Sl: before 4.10.0.0 (fixed in 4.10.0.0)
• Codesys Control For Wago Touch Panels 600 Sl: before 4.10.0.0 (fixed in 4.10.0.0)
• Codesys Control Rte Sl: before 3.5.19.20 (fixed in 3.5.19.20)
• Codesys Control Rte Sl (for Beckhoff Cx): before 3.5.19.20 (fixed in 3.5.19.20)
• Codesys Control Runtime System Toolkit: before 3.5.19.20 (fixed in 3.5.19.20)
• Codesys Control Win Sl: before 3.5.19.20 (fixed in 3.5.19.20)
• Codesys Development System: before 3.5.19.20 (fixed in 3.5.19.20)
• Codesys HMI: before 3.5.19.20 (fixed in 3.5.19.20)
• Codesys Safety SIL2: before 3.5.19.20 (fixed in 3.5.19.20)

Published 2023-08-03. Last modified 2026-06-17.