CVE-2025-41700 json
CODESYS Development System - Deserialization of Untrusted Data
published 2025-12-01 11 mo ago modified 2026-10-18 21 d ago also EUVD-2025-199974
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- CODESYS CODESYS Development System 3.5.21.40
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 11 mo ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- CODESYS CODESYS Development System
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
certvde.com
/de/advisories/VDE-2025-101
third-party-advisory
Sources
- CVE List CVE-2025-41700
- NVD CVE-2025-41700
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