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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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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
Added
CVSS V2
NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Changed
Reference Type
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16877&token=8faab0fc1e069f4edfca5d5aba8146139f67a175&download= No Types Assigned