Vulnerabilities > CVE-2021-21868 - Deserialization of Untrusted Data vulnerability in Codesys 3.5.16.0/3.5.17.0

047910
CVSS 7.8 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
local
low complexity
codesys
CWE-502
NVD
Published: 2021-08-18
Updated: 2024-11-21

Summary

An unsafe deserialization vulnerability exists in the ObjectManager.plugin Project.get_MissingTypes() functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.

Vulnerable Configurations

Part Description Count
Application
Codesys
2

Common Weakness Enumeration (CWE)

References