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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
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.
Metrics
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vector strings. CVSS information contributed by other sources is also
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http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html [Third Party Advisory, VDB Entry]
Removed
Reference
http://seclists.org/fulldisclosure/2021/Oct/64 [Mailing List, Third Party Advisory]
Modified Analysis by NIST11/04/2021 11:30:13 AM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.7.54
*cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:*:* versions up to (excluding) 3.5.16.0
OR
*cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.7.56
*cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:* versions up to (excluding) 2.4.7.56
Changed
Reference Type
http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html No Types Assigned
http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html Third Party Advisory, VDB Entry
Changed
Reference Type
http://seclists.org/fulldisclosure/2021/Oct/64 No Types Assigned
http://seclists.org/fulldisclosure/2021/Oct/64 Mailing List, Third Party Advisory
OR
*cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.7.54
*cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:*:* versions up to (excluding) 3.5.16.0
Changed
Reference Type
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16877&token=8faab0fc1e069f4edfca5d5aba8146139f67a175&download= No Types Assigned