CVE-2021-30195
published 2021-05-25CVE-2021-30195: CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
7.18%
93.6th percentile
CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
Affected
29 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| codesys | plcwinnt | < 2.4.7.55 | 2.4.7.55 |
| codesys | runtime_toolkit | < 2.4.7.55 | 2.4.7.55 |
| wago | 750-8202_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8203_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8204_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8206_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8207_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8208_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8210_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8211_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8212_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8213_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8214_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8216_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-8217_firmware | < 03.06.19_\(18\) | 03.06.19_\(18\) |
| wago | 750-823_firmware | < fw08 | fw08 |
| wago | 750-829_firmware | < fw15 | fw15 |
| wago | 750-831_firmware | < fw15 | fw15 |
| wago | 750-832_firmware | < fw08 | fw08 |
| wago | 750-852_firmware | < fw15 | fw15 |
| wago | 750-862_firmware | < fw08 | fw08 |
| wago | 750-880_firmware | < fw16 | fw16 |
| wago | 750-881_firmware | < fw15 | fw15 |
| wago | 750-882_firmware | < fw15 | fw15 |
| wago | 750-885_firmware | < fw15 | fw15 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/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
CISA ICS
CODESYS Control V2 communication
cisa_ics·2021-06-22·CVSS 7.5
[HIGH] CODESYS Control V2 communication
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
CODESYS Control V2 communication
Last RevisedJune 22, 2021
Alert CodeICSA-21-173-03
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: CODESYS, GmbH
- Equipment: CODESYS V2 Runtime Toolkit, CODESYS PLCWinNT
- Vulnerabilities: Stack-based Buffer Overflow, Heap-based Buffer Overflow, Improper Input Validation
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities may cause a heap-based buffer overflow, a stack-based buffer overflow, or a buffer over-read in the affected CODESYS products. This could result i
GHSA
GHSA-67hh-p488-99r8: CODESYS V2 runtime system before 2
ghsa_unreviewed·2022-05-24
CVE-2021-30195 [HIGH] CWE-125 GHSA-67hh-p488-99r8: CODESYS V2 runtime system before 2
CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
No detection rules found.
No public exploits indexed.
https://customers.codesys.com/index.phphttps://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=https://customers.codesys.com/index.phphttps://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=
2021-05-25
Published