CVE-2020-3716 Magento deserialization vulnerability

What is CVE-2020-3716?

CVE-2020-3716 is a critical unsafe deserialization vulnerability in Magento Magento, published on 29 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Magento versions 2.3.3 and earlier, 2.2.10 and earlier, 1.14.4.3 and earlier, and 1.9.4.3 and earlier have a deserialization of untrusted data vulnerability. Successful exploitation could lead to arbitrary code execution.

Weakness: CWE-502

Which versions are affected by CVE-2020-3716?

5 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-2020-3716?

Upgrade magento/community-edition to a fixed version for your release line: 2.2.11 or 2.3.4.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2020-3716 being exploited?

There is no known exploitation of CVE-2020-3716 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-2020-3716, GHSA-9wc9-498w-h8xv.