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CVE-2021-34593

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

Description

In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.

Affected Platforms

Wago 750-8213 FirmwareCodesys PlcwinntWago 750-8207Wago 750-8212Wago 750-8211 FirmwareWago 750-8213Wago 750-8210 FirmwareWago 750-8203Wago 750-8207 FirmwareWago 750-8217 Firmware

Weakness Type

CWE-755

References