CVE-2026-79625
Improper Synchronization in Monitoring in CODESYS Control Runtime
- State
- Published
- Severity
- 7.2 High
- Published
- Sep 30, 2026
- Updated
- Sep 30, 2026
- Reserved
- Aug 25, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.2 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N | CERTVDE |
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H | CERTVDE |
Weaknesses
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Affected Products
| Product | Versions |
|---|---|
Control RTE (SL)CODESYS |
|
Control RTE (for Beckhoff CX) SLCODESYS |
|
Control Win (SL)CODESYS |
|
Runtime ToolkitCODESYS |
|
Safety SIL2CODESYS |
|
HMI (SL)CODESYS |
|
Development System 3CODESYS |
|
Control for BeagleBone SLCODESYS |
|
Control for emPC-A/iMX6 SLCODESYS |
|
Control for IOT2000 SLCODESYS |
|
Control for Linux ARM SLCODESYS |
|
Control for Linux SLCODESYS |
|
Control for PFC100 SLCODESYS |
|
Control for PFC200 SLCODESYS |
|
Control for PLCnext SLCODESYS |
|
Control for Raspberry Pi SLCODESYS |
|
Control for WAGO Touch Panels 600 SLCODESYS |
|
Virtual Control SLCODESYS |
|
References
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.