CVE-2021-27903

moderate-risk
Published 2021-06-30

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).

Do I need to act?

~
3.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Craftcms

References (6)

Release Notes https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23
Release Notes https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security
Patch https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38
Release Notes https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23
Release Notes https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security
Patch https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38
44
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 7/34 · Low
Exposure 5/34 · Minimal