CVE-2021-27903 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367—2021-02-23 https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8