SARA / Free Tools / CVE / CVE-2022-4046

CVE-2022-4046 — In CODESYS Control in multiple versions a improper restriction of operations wit

In CODESYS Control in multiple versions a improper restriction of operations within the bounds of a memory buffer allow an remote attacker with user privileges to gain full access of the device.

CVSS

8.8 HIGH

EPSS

0.76% (top 26.90%)

CWE

CWE-119

Published

2023-08-03T12:39:44.002Z

Last modified

2024-10-22T19:44:02.247Z

CVSS vector

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

01What is this vulnerability?

In CODESYS Control in multiple versions a improper restriction of operations within the bounds of a memory buffer allow an remote attacker with user privileges to gain full access of the device.

02Affected products

Vendor	Product	Versions
CODESYS	CODESYS Control for BeagleBone SL	all
CODESYS	CODESYS Control for emPC	A/iMX6 SL — all
CODESYS	CODESYS Control for IOT2000 SL	all
CODESYS	CODESYS Control for Linux SL	all
CODESYS	CODESYS Control for PFC100 SL	all
CODESYS	CODESYS Control for PFC200 SL	all
CODESYS	CODESYS Control for PLCnext SL	all
CODESYS	CODESYS Control for Raspberry Pi SL	all
CODESYS	CODESYS Control for WAGO Touch Panels 600 SL	all
CODESYS	CODESYS Control RTE (for Beckhoff CX) SL	all
CODESYS	CODESYS Control RTE (SL)	all
CODESYS	CODESYS Control Runtime System Toolkit	all
CODESYS	CODESYS Control Win (SL)	all
CODESYS	CODESYS HMI (SL)	all

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

Published: 2023-08-03T12:39:44.002Z
Last modified: 2024-10-22T19:44:02.247Z

09References

cert.vde.com — https://cert.vde.com/en/advisories/VDE-2023-025/

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