Vulnerabilities > CVE-2021-21865 - Deserialization of Untrusted Data vulnerability in Codesys Development System 3.5.16.0/3.5.17.0

047910
CVSS 6.8 - MEDIUM
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL

Summary

A unsafe deserialization vulnerability exists in the PackageManagement.plugin ExtensionMethods.Clone() functionality of CODESYS GmbH CODESYS Development System 3.5.16. 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)