CVE-2022-31804

HIGH

CODESYS Gateway Server V2 - Memory Corruption

Title source: llm

Description

The CODESYS Gateway Server V2 does not verifiy that the size of a request is within expected limits. An unauthenticated attacker may allocate an arbitrary amount of memory, which may lead to a crash of the Gateway due to an out-of-memory condition.

References (1)

[Vendor Advisory] https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17141&token=17867e35cfd30c77ba0137f9a17b3a557a4b7b66&download=

Scores

CVSS v3 7.5

EPSS 0.0045

EPSS Percentile 63.5%

Attack Vector NETWORK

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

Details

CWE

CWE-789

Status published

Products (1)

codesys/gateway 2.0 - 2.3.9.38

Published Jun 24, 2022

Tracked Since Feb 18, 2026