CVE-2021-21020

MEDIUM5.3EPSS 0.11%

Magento Improper Access Control

Published: 5/24/2022Modified: 2/10/2025

Also known as:GHSA-2j6v-829g-885qBIT-magento-2021-21020

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.

Affected packages (3)

Bitnami/magentofrom 0, < 2.3.6, >= 2.4.0, < 2.4.1
Packagist/magento/community-editionfrom 0, < 2.3.6
Packagist/magento/project-community-editionfrom 0, <= 2.0.2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM5.3	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

References (3)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-21020
PATCHhttps://github.com/magento/magento2
WEBhttps://helpx.adobe.com/security/products/magento/apsb21-08.html