CVE-2021-21020

    Dashboard / Vulnerabilities / CVE-2021-21020

    CVE-2021-21020

    Published: 11 Feb 2021Last Modified: 9 Jul 2026

    Summary:

    Details: 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.

    References: https://helpx.adobe.com/security/products/magento/apsb21-08.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -9eba2c99bed83d8297c03b7ea3b110500cc5b955

    Affected versions

    2.3.6-NA
    2.3.0
    2.3.6-p1
    2.3.5
    2.3.4
    2.3.3-p1
    2.3.2
    2.3.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-21020 | CVE-DB