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CVE-2021-33436

Description

NoMachine for Windows prior to version 6.15.1 and 7.5.2 suffer from local privilege escalation due to the lack of safe DLL loading. This vulnerability allows local non-privileged users to perform DLL Hijacking via any writable directory listed under the system path and ultimately execute code as NT AUTHORITY\SYSTEM.

POC

Reference

- https://github.com/active-labs/Advisories/blob/master/2021/ACTIVE-2021-001.md

Github

No PoCs found on GitHub currently.