CVE-2021-36036
Magento Commerce Media Gallery Upload Improper Access Control Could Lead To Remote Code Execution
9.1
CRITICAL
CVSS 3.1
EPSS 1.6%
Description
Magento versions 2.4.2 (and earlier), 2.4.2 (and earlier) and 2.3.7 (and earlier) are affected by an improper access control vulnerability within Magento's Media Gallery Upload workflow. By storing a specially crafted file in the website gallery, an authenticated attacker with administrative privilege can gain access to delete the .htaccess file. This could result in the attacker achieving remote code execution.
How to fix CVE-2021-36036
To remediate CVE-2021-36036, upgrade the affected package to a fixed version below.
- —upgrade to 2.3.7 or later
- —upgrade to 2.3.7-p1 or later
- —no fix listed
Is CVE-2021-36036 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.3.7, >= 2.4.0, < 2.4.2
- from 0, < 2.3.7-p1
- from 0, <= 2.0.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |