Vulnerability Description
In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input->get('file') instead of the fixed file names of icon.png and icon.svg.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Expressionengine | Expressionengine | < 6.0.3 |
Related Weaknesses (CWE)
References
- https://github.com/ExpressionEngine/ExpressionEngine/compare/6.0.1...6.0.3#diff-PatchThird Party Advisory
- https://github.com/ExpressionEngine/ExpressionEngine/releases/tag/6.0.3Release NotesThird Party Advisory
- https://github.com/ExpressionEngine/ExpressionEngine/compare/6.0.1...6.0.3#diff-PatchThird Party Advisory
- https://github.com/ExpressionEngine/ExpressionEngine/releases/tag/6.0.3Release NotesThird Party Advisory
FAQ
What is CVE-2021-33199?
CVE-2021-33199 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input->get('file') instead of the fixed file names of icon.png and icon.svg.
How severe is CVE-2021-33199?
CVE-2021-33199 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-33199?
Check the references section above for vendor advisories and patch information. Affected products include: Expressionengine Expressionengine.