CVE-2020-36973 PDW File Browser 1.3 - Remote Code Execution
Authenticated attackers can upload and rename webshells to arbitrary locations via path traversal, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-36973?
CVE-2020-36973 is a high-severity vulnerability in michalc PDW File Browser, published on 28 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
PDW File Browser 1.3 contains a remote code execution vulnerability that allows authenticated users to upload and rename webshell files to arbitrary web server locations. Attackers can upload a .txt webshell, rename it to .php, and move it to accessible directories using double-encoded path traversal techniques.
Weakness: CWE-434
Which versions are affected by CVE-2020-36973?
How do I fix CVE-2020-36973?
No fix has been published for CVE-2020-36973 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-36973 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36973 exists.
Sources
Also known as GHSA-vcq8-wcj4-22xm.