Vulnerabilities > CVE-2021-34596 - Access of Uninitialized Pointer vulnerability in Codesys Plcwinnt and Runtime Toolkit

047910
CVSS 4.0 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
SINGLE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
PARTIAL
network
low complexity
codesys
CWE-824

Summary

A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.

Vulnerable Configurations

Part Description Count
Application
Codesys
4

Common Weakness Enumeration (CWE)