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cve/2021/CVE-2021-21865.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
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CVE-2021-21865

Description

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.

POC

Reference

Github

No PoCs found on GitHub currently.