CVE-2021-29239
published 2021-05-03CVE-2021-29239: CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity.
PriorityP336high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.18%
7.6th percentile
CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| codesys | development_system | >= 3.0 < 3.5.17.0 | 3.5.17.0 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
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CISA ICS
CODESYS in Festo Automation Suite
cisa_ics·2026-03-17
CODESYS in Festo Automation Suite
ICS Advisory
##
CODESYS in Festo Automation Suite
Release DateMarch 17, 2026
Alert CodeICSA-26-076-01
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
View CSAF
## Summary
3. TECHNICAL DETAILS
The following versions of CODESYS in Festo Automation Suite are affected:
- FESTO Software Festo Automation Suite (versions prior to 2.8.0.138) installed with CODESYS Software CODESYS Development System (3.0) vers:all/*
- FESTO Software Festo Automation Suite (versions prior to 2.8.0.138) installed with CODESYS Software CODESYS Development System (3.5.16.10) vers:all/*
- FESTO Software Festo Automation Suite (2.8.0.137) installed with CODESYS Software CODESYS Development System (3.0) vers:all/*
- FESTO Software Festo Automation
GHSA
GHSA-65fv-prgh-wg7w: CODESYS Development System 3 before 3
ghsa_unreviewed·2022-05-24
CVE-2021-29239 [HIGH] CWE-345 GHSA-65fv-prgh-wg7w: CODESYS Development System 3 before 3
CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://customers.codesys.com/index.phphttps://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14639&token=fa836f8bd4a2184aa9323a639ca9f2aaf1538412&download=https://www.codesys.com/security/security-reports.htmlhttps://customers.codesys.com/index.phphttps://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14639&token=fa836f8bd4a2184aa9323a639ca9f2aaf1538412&download=https://www.codesys.com/security/security-reports.html
2021-05-03
Published