CVE-2022-31802 CRITICAL

CVE-2022-31802: Partial string comparison in CODESYS gateway server

Vendor Codesys
Product CODESYS Gateway Server V2
Weakness CWE-187
Published June 24, 2022
Last update September 17, 2024
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CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 24, 2022 CVE published
September 17, 2024 Record updated