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CVE-2021-36765

HIGH CVSS: 7.5 Published: 2021-08-04 Modified: 2026-06-17

Description

In CODESYS EtherNetIP before 4.1.0.0, specific EtherNet/IP requests may cause a null pointer dereference in the downloaded vulnerable EtherNet/IP stack that is executed by the CODESYS Control runtime system.

Affected Platforms

Codesys Ethernetip

Weakness Type

CWE-476

References