CVE-2021-20334 Local privilege escalation in MongoDB Compass for Windows
A local attacker can execute arbitrary code with the privileges of the user running MongoDB Compass on Windows.
- 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-2021-20334?
CVE-2021-20334 is a medium-severity vulnerability in MongoDB Compass, published on 6 Apr 2021. 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
A malicious 3rd party with local access to the Windows machine where MongoDB Compass is installed can execute arbitrary software with the privileges of the user who is running MongoDB Compass. This issue affects: MongoDB Inc. MongoDB Compass 1.x version 1.3.0 on Windows and later versions; 1.x versions prior to 1.25.0 on Windows.
Weakness: CWE-269
Which versions are affected by CVE-2021-20334?
It affects 1 product.
Products include Mongodb Compass.
How do I fix CVE-2021-20334?
No fix has been published for CVE-2021-20334 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20334 being exploited?
There is no known exploitation of CVE-2021-20334 in the wild and no public exploit code.
Other vulnerabilities in MongoDB Compass
- CVE-2026-14881 Command injection in MongoDB Compass
- CVE-2025-1755 MongoDB Compass may be susceptible to local privilege escalation in Windows
- CVE-2024-3371 Insufficient validation of external input in Compass may enable MITM attacks
- CVE-2024-6376 ejson shell parser in MongoDB Compass maybe bypassed
- CVE-2026-9101 Prototype pollution in csv parsing
Sources
Also known as GHSA-9567-49v2-4jq6.