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high7.5

CVE-2021-34593

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-ser…

Impact

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 products

VendorProductAffected versions
Wago750-8202 Firmware
before fw20
Wago750-8203 Firmware
before fw20
Wago750-8204 Firmware
before fw20
Wago750-8206 Firmware
before fw20
Wago750-8207 Firmware
before fw20
Wago750-8208 Firmware
before fw20
Wago750-8210 Firmware
before fw20
Wago750-8211 Firmware
before fw20
Wago750-8212 Firmware
before fw20
Wago750-8213 Firmware
before fw20
Wago750-8214 Firmware
before fw20
Wago750-8216 Firmware
before fw20

Weakness classification

CWE-755

References