CVE-2022-31802
published 2022-06-24CVE-2022-31802: In CODESYS Gateway Server V2 for versions prior to V2.3.9.38 only a part of the the specified password is been compared to the real CODESYS Gateway password…
PriorityP357critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.18%
64.3th percentile
In CODESYS Gateway Server V2 for versions prior to V2.3.9.38 only a part of the the specified password is been compared to the real CODESYS Gateway password. An attacker may perform authentication by specifying a small password that matches the corresponding part of the longer real CODESYS Gateway password.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| codesys | codesys_gateway_server_v2 | >= V2 < V2.3.9.38 | V2.3.9.38 |
| codesys | gateway | >= 2.0 < 2.3.9.38 | 2.3.9.38 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
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GHSA
GHSA-jp8v-m2cx-q392: In CODESYS Gateway Server V2 for versions prior to V2
ghsa_unreviewed·2022-06-25
CVE-2022-31802 [CRITICAL] CWE-187 GHSA-jp8v-m2cx-q392: In CODESYS Gateway Server V2 for versions prior to V2
In CODESYS Gateway Server V2 for versions prior to V2.3.9.38 only a part of the the specified password is been compared to the real CODESYS Gateway password. An attacker may perform authentication by specifying a small password that matches the corresponding part of the longer real CODESYS Gateway password.
CISA ICS
FESTO CODESYS
cisa_ics·2025-07-01·CVSS 9.8
[CRITICAL] FESTO CODESYS
ICS Advisory
##
FESTO CODESYS
Release DateJuly 01, 2025
Alert CodeICSA-25-182-03
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
View CSAF
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: FESTO
- Equipment: CODESYS
- Vulnerabilities: Partial String Comparison, Uncontrolled Resource Consumption, Memory Allocation with Excessive Size Value
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow an attacker to block legitimate user connections, crash the application, or authenticate without proper credentials.
## 3. TECHNICAL DETAILS
## 3.1 AFFECTED PRODUCTS
FESTO reports that the following products are affected:
- FESTO CODESYS Gatew
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2022-06-24
Published