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CVE-2021-21867

Description

An unsafe deserialization vulnerability exists in the ObjectManager.plugin ObjectStream.ProfileByteArray 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.

POC

Reference

- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1304

Github

No PoCs found on GitHub currently.