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.
Published: 2025-12-01
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Mon, 23 Feb 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Codesys codesys
CPEs cpe:2.3:a:codesys:codesys:*:*:*:*:*:*:*:*
Vendors & Products Codesys codesys

Mon, 01 Dec 2025 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Codesys
Codesys development System
Vendors & Products Codesys
Codesys development System

Mon, 01 Dec 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 01 Dec 2025 10:15:00 +0000

Type Values Removed Values Added
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.
Title CODESYS Development System - Deserialization of Untrusted Data
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Subscriptions

Codesys Codesys Development System
cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

Updated: 2025-12-01T13:59:26.310Z

Reserved: 2025-04-16T11:17:48.310Z

Link: CVE-2025-41700

cve-icon Vulnrichment

Updated: 2025-12-01T13:59:21.545Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-01T10:16:00.440

Modified: 2026-02-23T15:35:10.653

Link: CVE-2025-41700

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-01T15:17:53Z

Weaknesses