CVE-2021-37770 File upload in n/a
Attackers can upload malicious files to execute arbitrary code on Nucleus CMS by bypassing upload restrictions.
- 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-2021-37770?
CVE-2021-37770 is a high-severity vulnerability in n/a, published on 30 Jun 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Nucleus CMS v3.71 is affected by a file upload vulnerability. In this vulnerability, we can use upload to change the upload path to the path without the Htaccess file. Upload an Htaccess file and write it to AddType application / x-httpd-php.jpg. In this way, an attacker can upload a picture with shell, treat it as PHP, execute commands, so as to take down website resources.
Weakness: CWE-434
Which versions are affected by CVE-2021-37770?
It affects 1 product.
Products include Nucleuscms Nucleus Cms.
How do I fix CVE-2021-37770?
No fix has been published for CVE-2021-37770 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-37770 being exploited?
There is no known exploitation of CVE-2021-37770 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5xq9-crf7-769q.