CVE-2021-40845 File upload in n/a
Attackers can upload malicious PHP scripts to the AlphaWeb XE interface to execute arbitrary code on the server.
- 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-2021-40845?
CVE-2021-40845 is a high-severity vulnerability in n/a, published on 15 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The web part of Zenitel AlphaCom XE Audio Server through 11.2.3.10, called AlphaWeb XE, does not restrict file upload in the Custom Scripts section at php/index.php. Neither the content nor extension of the uploaded files is checked, allowing execution of PHP code under the /cmd directory.
Weakness: CWE-434
Which versions are affected by CVE-2021-40845?
It affects 1 product.
Products include Zenitel Alphacom Xe Audio Server.
How do I fix CVE-2021-40845?
No fix has been published for CVE-2021-40845 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-40845 being exploited?
There is no known exploitation of CVE-2021-40845 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-x75m-rrhq-6j68.