CODESYS: CmpChannelServer, CmpChannelServerEmbedded allow unauthenticated attackers to block all their available communication channels

Description

In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.

Scores

EPSS (exploitation in 30 days)

0.89% · top 40% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

• CWE-400 Uncontrolled Resource Consumption (opens in a new tab)All about CWE-400 and its CVEs

Affected products

• CODESYS · CODESYS Control RTE (SL)

  • affected V3 – < V3.5.18.20

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

  • affected V3 – < V3.5.18.20

• CODESYS · CODESYS Control Win (SL)

  • affected V3 – < V3.5.18.20

• CODESYS · CODESYS Gateway

  • affected V3 – < V3.5.18.20

• CODESYS · CODESYS Edge Gateway for Windows

  • affected V3 – < V3.5.18.20

• CODESYS · CODESYS HMI (SL)

  • affected V3 – < V3.5.18.20

• CODESYS · CODESYS Development System V3

  • affected V3 – < V3.5.18.10

• CODESYS · CODESYS Control Runtime System Toolkit

  • affected V3 – < V3.5.18.20

• CODESYS · CODESYS Embedded Target Visu Toolkit

  • affected V3 – < V3.5.18.20

• CODESYS · CODESYS Remote Target Visu Toolkit

  • affected V3 – < V3.5.18.20

• CODESYS · CODESYS Control for BeagleBone SL

  • affected V3 – < V4.5.0.0

• CODESYS · CODESYS Control for Beckhoff CX9020 SL

  • affected V3 – < V4.5.0.0

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

  • affected V3 – < V4.5.0.0

• CODESYS · CODESYS Control for IOT2000 SL

  • affected V3 – < V4.5.0.0

• CODESYS · CODESYS Control for Linux SL

  • affected V3 – < V4.5.0.0

• CODESYS · CODESYS Control for PFC100 SL

  • affected V3 – < V4.5.0.0

• CODESYS · CODESYS Control for PFC200 SL

  • affected V3 – < V4.5.0.0

• CODESYS · CODESYS Control for PLCnext SL

  • affected V3 – < V4.5.0.0

• CODESYS · CODESYS Control for Raspberry Pi SL

  • affected V3 – < V4.5.0.0

• CODESYS · CODESYS Control for WAGO Touch Panels 600 SL

  • affected V3 – < V4.5.0.0

• CODESYS · CODESYS Edge Gateway for Linux

  • affected V3 – < V4.5.0.0

References (1)

• https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17128&token=bee4d8a57f19be289d623ec90135493b5f9179e3&download= (opens in a new tab)x_refsource_CONFIRMx_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-2022-30792](https://trackcve.app/badge/CVE-2022-30792.svg)](https://trackcve.app/cve/CVE-2022-30792)

Record last updated 16 Sept 2024, 23:05 UTC.