CVE-2021-38751
Last modified
CVE-2021-38751 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 2.47% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Exponentcms | Exponentcms | < 2.6 |
References
- https://github.com/exponentcms/exponent-cms/issues/1544Exploit, Issue Tracking, Third Party Advisory
- https://github.com/exponentcms/exponent-cms/issues/1544Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Scan your code nowSource: NVD / NIST