CVE-2023-37555

Name: CVE-2023-37555
Creator: NVD / NIST
Published: 2023-08-03T12:15:10.62+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2023-37555 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In multiple versions of multiple Codesys products, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpAppBP component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37552, CVE-2023-37553, CVE-2023-37554 and CVE-2023-37556. . EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

In multiple versions of multiple Codesys products, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpAppBP component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37552, CVE-2023-37553, CVE-2023-37554 and CVE-2023-37556.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.52%

40.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Codesys	Control For Beaglebone Sl	< 4.10.0.0
Codesys	Control For Empc-A\/Imx6 Sl	< 4.10.0.0
Codesys	Control For Iot2000 Sl	< 4.10.0.0
Codesys	Control For Linux Sl	< 4.10.0.0
Codesys	Control For Pfc100 Sl	< 4.10.0.0
Codesys	Control For Pfc200 Sl	< 4.10.0.0
Codesys	Control For Plcnext Sl	< 4.10.0.0
Codesys	Control For Raspberry Pi Sl	< 4.10.0.0
Codesys	Control For Wago Touch Panels 600 Sl	< 4.10.0.0
Codesys	Control Rte Sl	< 3.5.19.20
Codesys	Control Rte Sl \(For Beckhoff Cx\)	< 3.5.19.20
Codesys	Control Runtime System Toolkit	< 3.5.19.20
Codesys	Control Win Sl	< 3.5.19.20
Codesys	Development System	< 3.5.19.20
Codesys	Hmi	< 3.5.19.20
Codesys	Safety Sil2	< 3.5.19.20

References

https://cert.vde.com/en/advisories/VDE-2023-019/Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2023-019/Third Party Advisory

Timeline

Published: Aug 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-37555?

How severe is CVE-2023-37555?

CVE-2023-37555 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2023-37555?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-37555?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST