THREATPORT/VULNERABILITY/CVE-2021-21014
CRITICAL SEVERITY

CVE-2021-21014

Magento vulnerability

CVSS
9.1
EPSS
4.2%
EPSS pct
90th
Exploited
No known
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.
Affected vendor
Magento
Affected product
Magento
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-434 — Unrestricted Upload of File with Dangerous Type
Published
2021-02-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 4.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2021-21014

  • Confirm whether Magento Magento is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-21014.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-21014

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