CVE-2020-9588: Magento Signature verification bypass

May 24, 2022 (updated February 10, 2025)

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.

References

github.com/advisories/GHSA-j2r4-2cr6-h3r3
helpx.adobe.com/security/products/magento/apsb20-22.html
nvd.nist.gov/vuln/detail/CVE-2020-9588

Code Behaviors & Features

Detect and mitigate CVE-2020-9588 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →