🛡️ CVE-2022-31802 — gateway

🔴 CVSS 9.8 — Critical ✅ No Known Exploit CWE-187 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Affected software

CVE-2022-31802 is recorded against 1 package.

  • gateway (from 2.0 up to 2.3.9.38)

Timeline and source

Published on 24 June 2022 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

customers.codesys.com
customers.codesys.com

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-187
Public Exploit ✅ No
Source NVD
Published 2022-06-24
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
gateway 2.0 2.3.9.38

Similar Threats

Exploit Protection

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CVE-2022-31802 carries CVSS 9.8 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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