Vulnerabilities > CVE-2021-36765 - NULL Pointer Dereference vulnerability in Codesys Ethernetip
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
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.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 1 |