Is CVE-2021-21026 actively exploited?

No active exploitation of CVE-2021-21026 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-21026 be exploited remotely?

Yes. CVE-2021-21026 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-21026?

CVE-2021-21026 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2021-21026

CWE-285Published: February 11, 2021· Updated: Jun 17, 2026

5.3

CVSS v3.1

Official Description

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are affected by an improper authorization vulnerability in the integrations module. Successful exploitation could lead to unauthorized access to restricted resources by an unauthenticated attacker. Access to the admin console is required for successful exploitation.

NVD Source

Technical Analysis

CVE-2021-21026 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.3.