CVE-2022-30792: 
NixOS vulnerability analysis and mitigation

In CmpChannelServer of CODESYS V3 in multiple versions, an uncontrolled resource consumption vulnerability allows an unauthorized attacker to block new communication channel connections, though existing connections are not affected (AttackerKB).

The vulnerability exists in the CmpChannelServer component of CODESYS V3 and affects multiple versions including CODESYS Control RTE V3.5.18.20, CODESYS Gateway V3.5.18.20, CODESYS HMI V3.5.18.20, and several other CODESYS products (AttackerKB). The issue stems from uncontrolled resource consumption that can be exploited without authentication.

When exploited, the vulnerability allows attackers to block new communication channel connections to the affected systems. However, it's important to note that existing connections remain unaffected by the exploitation (NVD).

The vulnerability can be exploited by unauthorized attackers remotely, requiring no authentication or special privileges. The attack vector involves triggering uncontrolled resource consumption in the CmpChannelServer component (AttackerKB).