Arbitrary file upload in Adobe Magento Commerce

CVE-2021-21014

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to a file upload restriction bypass. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.042 (90.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-21014: held from 0.042 to 0.042.

EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-21014?
CVE-2021-21014 is a critical-severity vulnerability in Adobe Magento Commerce, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.1/10. Published 2021-02-11.
How severe is CVE-2021-21014?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2021-21014 known to be exploited?
14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.