CVE-2021-21031: Magento Insufficient Session Expiration

May 24, 2022 (updated February 10, 2025)

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) do not adequately invalidate user sessions. Successful exploitation could lead to unauthorized access to restricted resources. Access to the admin console is not required for successful exploitation.

References

github.com/advisories/GHSA-4h3p-63x6-vwg2
github.com/magento/magento2
helpx.adobe.com/security/products/magento/apsb21-08.html
nvd.nist.gov/vuln/detail/CVE-2021-21031

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