CVE-2021-33436 Privilege escalation in n/a
Local attackers can execute arbitrary code with SYSTEM privileges via DLL hijacking in NoMachine for Windows due to unsafe DLL loading.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-33436?
CVE-2021-33436 is a high-severity vulnerability in n/a, published on 28 Apr 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2021-33436?
It affects 1 product.
Products include Nomachine Nomachine.
How do I fix CVE-2021-33436?
No fix has been published for CVE-2021-33436 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-33436 being exploited?
There is no known exploitation of CVE-2021-33436 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2018-0664 Other in NoMachine App for Android
- CVE-2023-39107 Path traversal in n/a
- CVE-2017-12763 Privilege escalation in n/a
- CVE-2026-5054 NoMachine External Control of File Path Local Privilege Escalation Vulnerability
- CVE-2026-5055 NoMachine Uncontrolled Search Path Element Local Privilege Escalation Vulnerability
Sources
Also known as GHSA-669x-j2pw-grf8.