CVE-2021-27903
9.8
CRITICAL · CVSS 3.1 · EPSS 2.8% (pctl 86)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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).
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.82% — more likely to be exploited than 86% of all CVEs |
| Weakness | CWE-862 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-06-30 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| craftcms | craft cms |
References
- 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
- 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
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