NetSight
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medium6.5

CVE-2021-34596

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, resul…

Impact

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 products

VendorProductAffected versions
Wago750-823 Firmware
before fw10
Wago750-829 Firmware
before fw17
Wago750-831 Firmware
before fw17
Wago750-832 Firmware
before fw10
Wago750-852 Firmware
before fw17
Wago750-862 Firmware
before fw10
Wago750-880 Firmware
before fw17
Wago750-881 Firmware
before fw17
Wago750-882 Firmware
before fw17
Wago750-885 Firmware
before fw17
Wago750-889 Firmware
before fw17
Wago750-890 Firmware
before fw10

Weakness classification

CWE-824

References