CVE-2020-27386 File upload in n/a
Authenticated attackers can upload malicious files and rename them to executable extensions to achieve remote code execution in FlexDotnetCMS.
- 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-2020-27386?
CVE-2020-27386 is a high-severity vulnerability in n/a, published on 12 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 FlexDotnetCMS before v1.5.9 allows an authenticated remote attacker to upload and execute arbitrary files by using the FileManager to upload malicious code (e.g., ASP code) in the form of a safe file type (e.g., a TXT file), and then using the FileEditor (in v1.5.8 and prior) or the FileManager's rename function (in v1.5.7 and prior) to rename the file to an executable extension (e.g., ASP), and finally executing the file via an HTTP GET request to /<path_to_file>.
Weakness: CWE-434
Which versions are affected by CVE-2020-27386?
It affects 1 product.
Products include Flexdotnetcms Project Flexdotnetcms.
How do I fix CVE-2020-27386?
No fix has been published for CVE-2020-27386 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-27386 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-27386 exists.
Public exploit code: 1 Metasploit module.
Other vulnerabilities in n/a
Sources
Also known as GHSA-j66w-g54r-w535.