Vulnerability in Microsoft Windows
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.
EPSS: 0.003 (19.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows
- Nomachine
- N/a — versions n/a
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-33436?
- CVE-2021-33436 is a high-severity vulnerability in Microsoft Windows. CVSS score: 7.3/10. Published 2022-04-28.
- How severe is CVE-2021-33436?
- High severity. CVSS v3 base score is 7.3 out of 10.