CVE-2020-9690

Severity: medium (CVSS 4.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-29 · updated 2026-06-17
Weakness: CWE-203

Description

Magento versions 2.3.5-p1 and earlier, and 2.3.5-p1 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.

Affected products

Adobe Magento Commerce: before 2.3.5; 2.3.5, 2.3.5-p1 — fixed in 2.3.5

How to fix

Upgrade to a fixed version: Adobe Magento Commerce 2.3.5. Check the vendor advisory for mitigations.

References

https://helpx.adobe.com/security/products/magento/apsb20-47.html
https://helpx.adobe.com/security/products/magento/apsb20-47.html

Get alerted when CVE-2020-9690 or the next vulnerability affects your stack