CVE-2022-31804 | BDVDB-2026-178921 Detail

CODESYSCODESYS Gateway Server V2

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-789 Memory Allocation with Excessive Size Value

References#

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

Exploit#

No public exploit known

History#

Version 12022-06-24Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2022-06-24
Last modified: 2024-09-16

Vendor information

Vendor: CODESYS
Product: CODESYS Gateway Server V2

All CODESYS vulnerabilities

Score

7.5 High

EPSS

1.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 67.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< V2.3.9.38
Fixed
V2.3.9.38

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).