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CVE-2021-34585

HIGH CVSS: 7.5 Published: 2021-10-26 Modified: 2026-06-17

Description

In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not checked under all conditions, a pointer dereference with an invalid address can occur. This leads to a denial of service situation.

Affected Platforms

Wago 750-893Wago 750-8206Wago 750-852Wago 750-881 FirmwareWago 750-8213 FirmwareWago 750-8207Wago 750-831 FirmwareWago 750-829Wago 750-8211 FirmwareWago 750-8212

Weakness Type

CWE-252

References