CVE-2019-8116 Auth bypass in Magento 2

What is CVE-2019-8116?

CVE-2019-8116 is a high-severity authentication bypass vulnerability in Magento Magento, published on 5 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Insecure authentication and session management vulnerability exists in Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. An unauthenticated user can leverage a guest session id value following a successful login to gain access to customer account index page.

Weakness: CWE-384

Which versions are affected by CVE-2019-8116?

It affects 1 product.

Products include Magento Magento.

How do I fix CVE-2019-8116?

No fix has been published for CVE-2019-8116 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2019-8116 being exploited?

There is no known exploitation of CVE-2019-8116 in the wild and no public exploit code.

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All Magento Magento vulnerabilities

Sources

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

Also known as GHSA-jc3q-vcfv-w99c.