CVE-2021-31933 File upload in n/a
Remote authenticated administrators can upload malicious PHP files via improper extension filtering and directory traversal to execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-31933?
CVE-2021-31933 is a high-severity vulnerability in n/a, published on 30 Apr 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A remote code execution vulnerability exists in Chamilo through 1.11.14 due to improper input sanitization of a parameter used for file uploads, and improper file-extension filtering for certain filenames (e.g., .phar or .pht). A remote authenticated administrator is able to upload a file containing arbitrary PHP code into specific directories via main/inc/lib/fileUpload.lib.php directory traversal to achieve PHP code execution.
Weakness: CWE-706
Which versions are affected by CVE-2021-31933?
It affects 1 product.
Products include Chamilo Chamilo.
How do I fix CVE-2021-31933?
No fix has been published for CVE-2021-31933 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-31933 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-31933 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-ch7w-rg8w-hgcj.