Vulnerabilities > CVE-2021-34593 - Unspecified vulnerability in Codesys Plcwinnt and Runtime Toolkit
Attack vector
UNKNOWN Attack complexity
UNKNOWN Privileges required
UNKNOWN Confidentiality impact
UNKNOWN Integrity impact
UNKNOWN Availability impact
UNKNOWN Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 4 |
References
- http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html
- http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html
- http://packetstormsecurity.com/files/165874/WAGO-750-8xxx-PLC-Denial-Of-Service-User-Enumeration.html
- http://packetstormsecurity.com/files/165874/WAGO-750-8xxx-PLC-Denial-Of-Service-User-Enumeration.html
- http://seclists.org/fulldisclosure/2021/Oct/64
- http://seclists.org/fulldisclosure/2021/Oct/64
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16877&token=8faab0fc1e069f4edfca5d5aba8146139f67a175&download=
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16877&token=8faab0fc1e069f4edfca5d5aba8146139f67a175&download=