In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.
In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.
| Vendor | Product | Versions |
|---|---|---|
| CODESYS | CODESYS Control RTE (SL) | V3 |
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL | V3 |
| CODESYS | CODESYS Control Win (SL) | V3 |
| CODESYS | CODESYS Gateway | V3 |
| CODESYS | CODESYS Edge Gateway for Windows | V3 |
| CODESYS | CODESYS HMI (SL) | V3 |
| CODESYS | CODESYS Development System V3 | V3 |
| CODESYS | CODESYS Control Runtime System Toolkit | V3 |
| CODESYS | CODESYS Embedded Target Visu Toolkit | V3 |
| CODESYS | CODESYS Remote Target Visu Toolkit | V3 |
| CODESYS | CODESYS Control for BeagleBone SL | V3 |
| CODESYS | CODESYS Control for Beckhoff CX9020 SL | V3 |
| CODESYS | CODESYS Control for emPC | A/iMX6 SL — V3 |
| CODESYS | CODESYS Control for IOT2000 SL | V3 |
| CODESYS | CODESYS Control for Linux SL | V3 |
| CODESYS | CODESYS Control for PFC100 SL | V3 |
| CODESYS | CODESYS Control for PFC200 SL | V3 |
| CODESYS | CODESYS Control for PLCnext SL | V3 |
| CODESYS | CODESYS Control for Raspberry Pi SL | V3 |
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL | V3 |
| CODESYS | CODESYS Edge Gateway for Linux | V3 |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.