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CVE-2026-79625

Improper Synchronization in Monitoring in CODESYS Control Runtime

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.5.22.40, 4.23.0.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • CODESYS Control RTE (SL)

    From 3.0.0.0 · fixed in 3.5.22.40

  • CODESYS Control RTE (for Beckhoff CX) SL

    From 3.0.0.0 · fixed in 3.5.22.40

  • CODESYS Control Win (SL)

    From 3.0.0.0 · fixed in 3.5.22.40

  • CODESYS Runtime Toolkit

    From 3.0.0.0 · fixed in 3.5.22.40

  • CODESYS Safety SIL2

    From 3.0.0.0 · fixed in 3.5.22.40

  • CODESYS HMI (SL)

    From 3.0.0.0 · fixed in 3.5.22.40

  • CODESYS Development System 3

    From 3.0.0.0 · fixed in 3.5.22.40

  • CODESYS Control for BeagleBone SL

    From 3.5.0.0 · fixed in 4.23.0.0

  • CODESYS Control for emPC-A/iMX6 SL

    From 3.5.0.0 · fixed in 4.23.0.0

  • CODESYS Control for IOT2000 SL

    From 3.5.0.0 · fixed in 4.23.0.0

  • CODESYS Control for Linux ARM SL

    From 3.5.0.0 · fixed in 4.23.0.0

  • CODESYS Control for Linux SL

    From 3.5.0.0 · fixed in 4.23.0.0

  • CODESYS Control for PFC100 SL

    From 3.5.0.0 · fixed in 4.23.0.0

  • CODESYS Control for PFC200 SL

    From 3.5.0.0 · fixed in 4.23.0.0

  • CODESYS Control for PLCnext SL

    From 3.5.0.0 · fixed in 4.23.0.0

  • CODESYS Control for Raspberry Pi SL

    From 3.5.0.0 · fixed in 4.23.0.0

  • CODESYS Control for WAGO Touch Panels 600 SL

    From 3.5.0.0 · fixed in 4.23.0.0

  • CODESYS Virtual Control SL

    From 3.5.0.0 · fixed in 4.23.0.0

References 1

certvde.com