CVE-2021-21020

Magento Commerce Improper Access Control Vulnerability

Description

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an access control bypass vulnerability in the Login as Customer module. Successful exploitation could lead to unauthorized access to restricted resources.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.19%
Vendor Advisory adobe.com
Affected: Adobe Magento Commerce
Published at:
Updated at:

References

Link Tags
https://helpx.adobe.com/security/products/magento/apsb21-08.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-21020?
CVE-2021-21020 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21020?
To fix CVE-2021-21020, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21020 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21020 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21020?
CVE-2021-21020 affects Adobe Magento Commerce.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.