Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nucleuscms | Nucleus Cms | 3.71 |
Related Weaknesses (CWE)
References
- https://github.com/NucleusCMS/NucleusCMS/issues/96ExploitIssue TrackingThird Party Advisory
- https://shimo.im/docs/Ch9CphJt8XwTvQ3dExploitThird Party Advisory
- https://github.com/NucleusCMS/NucleusCMS/issues/96ExploitIssue TrackingThird Party Advisory
- https://shimo.im/docs/Ch9CphJt8XwTvQ3dExploitThird Party Advisory
FAQ
What is CVE-2021-37770?
CVE-2021-37770 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 writ...
How severe is CVE-2021-37770?
CVE-2021-37770 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-37770?
Check the references section above for vendor advisories and patch information. Affected products include: Nucleuscms Nucleus Cms.