VulnerabilityModified
CVE-2021-27903
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).
CRITICAL 9.8EPSS 2.82%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.82%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.82% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-862
- Affected
- craftcms/craft cms
- Source
- cve@mitre.org
References
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23Release Notes, Third Party Advisory
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#securityRelease Notes, Third Party Advisory
- https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38Patch, Third Party Advisory
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23Release Notes, Third Party Advisory
- https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#securityRelease Notes, Third Party Advisory
- https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.