CODESYS Improper Input Validation in CmpAppBP

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-2023-37553, CVE-2023-37554, CVE-2023-37555 and CVE-2023-37556.

Scores

EPSS (exploitation in 30 days)

0.63% · top 50% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Weakness

• CWE-20 Improper Input Validation (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• CODESYS · CODESYS Control for BeagleBone SL

  • affected < V4.10.0.0

• CODESYS · CODESYS Control for emPC-A/iMX6 SL

  • affected < V4.10.0.0

• CODESYS · CODESYS Control for IOT2000 SL

  • affected < V4.10.0.0

• CODESYS · CODESYS Control for Linux SL

  • affected < V4.10.0.0

• CODESYS · CODESYS Control for PFC100 SL

  • affected < V4.10.0.0

• CODESYS · CODESYS Control for PFC200 SL

  • affected < V4.10.0.0

• CODESYS · CODESYS Control for PLCnext SL

  • affected < V4.10.0.0

• CODESYS · CODESYS Control for Raspberry Pi SL

  • affected < V4.10.0.0

• CODESYS · CODESYS Control for WAGO Touch Panels 600 SL

  • affected < V4.10.0.0

• CODESYS · CODESYS Control RTE (for Beckhoff CX) SL

  • affected < V3.5.19.20

• CODESYS · CODESYS Control RTE (SL)

  • affected < V3.5.19.20

• CODESYS · CODESYS Control Runtime System Toolkit

  • affected < V3.5.19.20

• CODESYS · CODESYS Control Win (SL)

  • affected < V3.5.19.20

• CODESYS · CODESYS Development System V3

  • affected < V3.5.19.20

• CODESYS · CODESYS HMI (SL)

  • affected < V3.5.19.20

• CODESYS · CODESYS Safety SIL2 Runtime Toolkit

  • affected < V3.5.19.20

References (1)

• https://cert.vde.com/en/advisories/VDE-2023-019/ (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2023-37552](https://trackcve.app/badge/CVE-2023-37552.svg)](https://trackcve.app/cve/CVE-2023-37552)

Record last updated 11 Oct 2024, 18:10 UTC.