CVE-2020-9690 Magento observable timing discrepancy vulnerability

What is CVE-2020-9690?

CVE-2020-9690 is a medium-severity vulnerability in Magento Magento, published on 29 Jul 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-203

Which versions are affected by CVE-2020-9690?

3 open source packages ship an affected version, including magento/community-edition and magento. It affects 1 product.

Products include Magento Magento.

How do I fix CVE-2020-9690?

Upgrade magento/community-edition to 2.3.5-p2 or later.

Is CVE-2020-9690 being exploited?

There is no known exploitation of CVE-2020-9690 in the wild and no public exploit code.

Other vulnerabilities in Magento Magento

• CVE-2020-9664 Magento php object injection vulnerability Critical 9.8
• CVE-2020-9576 Magento command injection vulnerability Critical 9.8
• CVE-2020-9578 Magento command injection vulnerability Critical 9.8
• CVE-2020-9579 Magento Security mitigation bypass vulnerability Critical 9.8
• CVE-2020-9580 Magento Security mitigation bypass vulnerability Critical 9.8

All Magento Magento vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-magento-2020-9690, GHSA-xgp9-j48h-jjf9.