CVE-2021-38751
4.3 · MEDIUMOverview
CVE-2021-38751 is a medium-severity vulnerability affecting exponentcms exponentcms. It was published on August 16, 2021 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponent_constants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM.
Remediation
Check the references section for vendor advisories and patches from exponentcms. Update exponentcms 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 |
|---|---|---|---|
| exponentcms | exponentcms | >= 0, < 2.6 | Affected |
Frequently Asked Questions
What is CVE-2021-38751?
CVE-2021-38751 is a medium-severity vulnerability affecting exponentcms exponentcms. It was published on August 16, 2021 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2021-38751?
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-38751?
Check the references section for vendor advisories and patches from exponentcms. Update exponentcms 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-2021-38751?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-38751 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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