CVE-2021-37770
7.2 · HIGHOverview
CVE-2021-37770 is a high-severity vulnerability affecting nucleuscms nucleus_cms. It was published on June 30, 2022 and has a CVSS 3.1 base score of 7.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from nucleuscms. Update nucleus_cms to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2021-37770?
CVE-2021-37770 is a high-severity vulnerability affecting nucleuscms nucleus_cms. It was published on June 30, 2022 and has a CVSS 3.1 base score of 7.2 (HIGH).
How severe is CVE-2021-37770?
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-37770?
Check the references section for vendor advisories and patches from nucleuscms. Update nucleus_cms to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-37770?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-37770 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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