Vulnerability Database

310,056

Total vulnerabilities in the database

CVE-2021-33436

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.

  • Published: Apr 28, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-33436
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.3
  • AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.2
  • AV:L/AC:H/Au:N/C:C/I:C/A:C

No CWE or OWASP classifications available.

Software From Fixed in
nomachine / nomachine 6.0.0 6.15.1
nomachine / nomachine 7.0 7.5.2