CODESYS Development System - Deserialization of Untrusted Data

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-41700
StatePUBLISHED
AssignerCERTVDE
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-01 10:16:00 UTC
Updated2026-10-18 20:10:00 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.001550000 probability, percentile 0.042030000 (date 2026-10-18)

Problem Types: CWE-502 | CWE-502 CWE-502 Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1CNACVSS7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Codesys Codesys All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA CODESYS CODESYS Development System affected 0.0.0 3.5.21.40 semver Not specified

References

ReferenceSourceLinkTags
certvde.com/de/advisories/VDE-2025-101 [email protected] certvde.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: MengyuXia from Beijing Aerospace Wanyuan Science & Technology Co, Ltd. (en)

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