CVE-2020-9588: Magento Signature verification bypass
Magento Signature verification bypass
Other sources
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.
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/magento/coreto a version that resolves this vulnerability.Fixed in 1.9.4.5 - Upgrade
Upgrade
composer/magento/community-editionto a version that resolves this vulnerability.Fixed in 2.3.4-p2
Event History
Frequently Asked Questions
What is the vulnerability ID for this Magento vulnerability?
The vulnerability ID for this Magento vulnerability is CVE-2020-9588.
What is the severity level of CVE-2020-9588?
CVE-2020-9588 has a severity level of high (7.2).
Which versions of Magento are affected by CVE-2020-9588?
Versions 2.3.4 and earlier, 2.2.11 and earlier, 1.14.4.4 and earlier, and 1.9.4.4 and earlier are affected by CVE-2020-9588.
What is the impact of successful exploitation of CVE-2020-9588?
Successful exploitation of CVE-2020-9588 could lead to signature verification bypass.
Is there a fix available for CVE-2020-9588?
Yes, a fix is available for CVE-2020-9588. Please refer to the official reference link for more information.