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CVE-2021-34596

MEDIUM CVSS: 6.5 Published: 2021-10-26 Modified: 2026-06-17

Description

A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.

Affected Platforms

Wago 750-893Wago 750-8206Wago 750-852Wago 750-881 FirmwareWago 750-8213 FirmwareCodesys PlcwinntWago 750-8207Wago 750-831 FirmwareWago 750-829Wago 750-8211 Firmware

Weakness Type

CWE-824

References