CVE-2021-21014

CRITICALCVSS 9.1/10EPSS 4.21%

Last modified

CVE-2021-21014 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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. EPSS estimates a 4.21% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.0
9.1/10

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
4.21%

89.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MagentoMagento< 2.3.6
MagentoMagento2.3.6
MagentoMagento2.4.0
MagentoMagento2.4.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2021-21014?
CVE-2021-21014 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 4.21% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21014?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2021

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Source: NVD / NIST