Vulnerability Description
An issue was discovered in Craft CMS before 3.6.7. In some circumstances, a potential Remote Code Execution vulnerability existed on sites that did not restrict administrative changes (if an attacker were somehow able to hijack an administrator's session).
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Craftcms | Craft Cms | < 3.6.7 |
Related Weaknesses (CWE)
References
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23Release NotesThird Party Advisory
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#securityRelease NotesThird Party Advisory
- https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38PatchThird Party Advisory
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23Release NotesThird Party Advisory
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#securityRelease NotesThird Party Advisory
- https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38PatchThird Party Advisory
FAQ
What is CVE-2021-27903?
CVE-2021-27903 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in Craft CMS before 3.6.7. In some circumstances, a potential Remote Code Execution vulnerability existed on sites that did not restrict administrative changes (if an attacker ...
How severe is CVE-2021-27903?
CVE-2021-27903 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-2021-27903?
Check the references section above for vendor advisories and patch information. Affected products include: Craftcms Craft Cms.