CWE
116
Advisory Published
Updated

CVE-2021-38751

First published: Mon Aug 16 2021(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Exponentcms Exponentcms<2.6

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Frequently Asked Questions

  • What is the severity of CVE-2021-38751?

    CVE-2021-38751 has been classified as a medium severity vulnerability due to its potential for facilitating man-in-the-middle attacks.

  • How do I fix CVE-2021-38751?

    To fix CVE-2021-38751, users should upgrade ExponentCMS to version 2.7 or higher, which addresses this vulnerability.

  • What versions of ExponentCMS are affected by CVE-2021-38751?

    CVE-2021-38751 affects ExponentCMS versions 2.6 and below.

  • What type of attack does CVE-2021-38751 enable?

    CVE-2021-38751 enables HTTP Host header attacks, which can change webpage links to arbitrary values.

  • Can CVE-2021-38751 lead to data theft?

    Yes, CVE-2021-38751 could facilitate man-in-the-middle attacks, potentially leading to data theft.

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