CVE-2020-27387 File upload in n/a
Authenticated attackers can upload and execute arbitrary PHP code in HorizontCMS by renaming files to have a PHP extension.
- 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-2020-27387?
CVE-2020-27387 is a high-severity vulnerability in n/a, published on 5 Nov 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An unrestricted file upload issue in HorizontCMS through 1.0.0-beta allows an authenticated remote attacker (with access to the FileManager) to upload and execute arbitrary PHP code by uploading a PHP payload, and then using the FileManager's rename function to provide the payload (which will receive a random name on the server) with the PHP extension, and finally executing the PHP file via an HTTP GET request to /storage/<php_file_name>. NOTE: the vendor has patched this while leaving the version number at 1.0.0-beta.
Weakness: CWE-434
Which versions are affected by CVE-2020-27387?
It affects 1 product.
Products include Horizontcms Project Horizontcms.
How do I fix CVE-2020-27387?
No fix has been published for CVE-2020-27387 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-27387 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-27387 exists.
Public exploit code: 1 Metasploit module.
Other vulnerabilities in n/a
Sources
Also known as GHSA-fmrq-56mh-96f5.