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CVE-2026-76992

Uncontrolled Memory Allocation in CODESYS Gateway Client

The CODESYS Gateway Client allocates memory based on a size field in a gateway response without enforcing an appropriate upper limit. An unauthenticated remote attacker controlling a malicious gateway can exploit this behavior to trigger excessive memory consumption, resulting in a denial-of-service condition thus leading to a total loss of availablity.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Codesys
Products
Codesys Development System 3 Codesys Edge Gateway For Linux Codesys Edge Gateway For Windows and 12 more
CVE-2022-1794

Plaintext Storage of a password in CODESYS V3 OPC DA Server

The CODESYS OPC DA Server prior V3.5.18.20 stores PLC passwords as plain text in its configuration file so that it is visible to all authorized Microsoft Windows users of the system.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Codesys Microsoft
Products
Opc Da Server Windows