Auth bypass in Craftcms Craft_cms
CVE-2021-27903
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 administ…
Vulnerability class: Broken Access Control
EPSS: 0.028 (84.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Craftcms Craft_cms
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2021-27903?
- CVE-2021-27903 is a critical-severity vulnerability in Craftcms Craft_cms, classified under Missing Authorization. CVSS score: 9.8/10. Published 2021-06-30.
- How severe is CVE-2021-27903?
- Critical severity. CVSS v3 base score is 9.8 out of 10.