CVE-2020-9588: Magento

High severity, CVSS 7.2. EPSS: 2.9% chance of exploitation in the next 30 days.

Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.

Affected products

• Magento Magento: up to and including 1.9.4.4; up to and including 1.14.4.4; from 2.2.0, up to and including 2.2.11; from 2.3.0, up to and including 2.3.4

Published 2020-06-26. Last modified 2026-06-17.