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CVE-2021-34593 Detail

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

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html Exploit  Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/165874/WAGO-750-8xxx-PLC-Denial-Of-Service-User-Enumeration.html Exploit  Third Party Advisory  VDB Entry 
http://seclists.org/fulldisclosure/2021/Oct/64 Mailing List  Third Party Advisory 
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16877&token=8faab0fc1e069f4edfca5d5aba8146139f67a175&download= Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-755 Improper Handling of Exceptional Conditions CERT VDE  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-34593
NVD Published Date:
10/26/2021
NVD Last Modified:
04/12/2022
Source:
CERT VDE