CVE-2025-41700 Details
Description
An unauthenticated attacker can trick a local user into executing arbitrary code by opening a deliberately manipulated CODESYS project file with a CODESYS development system. This arbitrary code is executed in the user context.
A deserialization vulnerability has been identified in the CODESYS Development System, specifically in versions prior to 3.5.21.40. This vulnerability allows an unauthenticated attacker to execute arbitrary code by tricking a local user into opening a manipulated CODESYS project file. The code execution occurs in the context of the user who opened the file.
Users can update to CODESYS Development System version 3.5.21.40 or later. The CODESYS Development System is available for download via the CODESYS Installer, the CODESYS Store, or the CODESYS Update area.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Dec 1, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://certvde.com/de/advisories/VDE-2025-101 | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-502 | Deserialization of Untrusted Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| codesys codesys | < 3.5.21.40 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Feb 23, 2026 | Initial Analysis | [email protected] |
| Dec 1, 2025 | New CVE Received | [email protected] |