Uncontrolled Memory Allocation in CODESYS Gateway Server V2 - CVE-2022-31804

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Main Vulnerability Database Vulnerabilities #VU112096

Uncontrolled Memory Allocation in CODESYS Gateway Server V2 - CVE-2022-31804

Published: July 2, 2025


Vulnerability identifier: #VU112096
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-31804
CWE-ID: CWE-789
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Festo
Affected software:
CODESYS Gateway Server V2

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the affected application does not verify the size of a request is within expected limits. A remote attacker can cause a denial of service (DoS) condition on the target system.


How to mitigate CVE-2022-31804

Install updates from vendor's website.

Sources