NetSight
critical9.1

CVE-2021-34584

Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a crash in the CODESYS V2…

Impact

Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.

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

References