High severity7.3NVD Advisory· Published Apr 28, 2022· Updated Jun 17, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Nomachine/Nomachine3 versions
cpe:2.3:a:nomachine:nomachine:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:nomachine:nomachine:*:*:*:*:*:*:*:*range: >=6.0.0,<6.15.1
- (no CPE)
- (no CPE)range: <6.15.1, <7.5.2

Patches

Vulnerability mechanics

References

github.com/active-labs/Advisories/blob/master/2021/ACTIVE-2021-001.mdnvdThird Party Advisory
knowledgebase.nomachine.com/SU05S00223nvdRelease NotesVendor Advisory
knowledgebase.nomachine.com/SU05S00224nvdRelease NotesVendor Advisory
knowledgebase.nomachine.com/TR05S10236nvdVendor Advisory

News mentions

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