Vulnerabilities > CVE-2021-34584 - Buffer Over-read vulnerability in Codesys

047910
CVSS 9.1 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
codesys
CWE-126
critical

Summary

Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.

Vulnerable Configurations

Part Description Count
Application
Codesys
1

Common Weakness Enumeration (CWE)