Is CVE-2021-36021 actively exploited?

No active exploitation of CVE-2021-36021 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-36021 be exploited remotely?

Yes. CVE-2021-36021 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-36021?

CVE-2021-36021 has a CVSS score of 7.2 (HIGH).

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HIGH

CVE-2021-36021

CWE-20Published: September 6, 2023· Updated: Jun 17, 2026

7.2

CVSS v3.1

Official Description

Magento versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an Improper input validation vulnerability within the CMS page scheduled update feature. An authenticated attacker with administrative privilege could leverage this vulnerability to achieve remote code execution on the system.

NVD Source

Technical Analysis

CVE-2021-36021 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high 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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.