Detections
Analytics
CVE-2021-34593
high
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.
References
http://seclists.org/fulldisclosure/2021/Oct/64
http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html