Unrated severityNVD Advisory· Published Oct 26, 2021· Updated Sep 17, 2024
CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service
CVE-2021-34593
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.
Affected products
1- Range: Runtime Toolkit 32 bit full
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.htmlmitrex_refsource_MISC
- packetstormsecurity.com/files/165874/WAGO-750-8xxx-PLC-Denial-Of-Service-User-Enumeration.htmlmitrex_refsource_MISC
- seclists.org/fulldisclosure/2021/Oct/64mitremailing-listx_refsource_FULLDISC
- customers.codesys.com/index.phpmitrex_refsource_CONFIRM
News mentions
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