CVE-2019-7855 Magento 2 Community Cryptographic Flaw

What is CVE-2019-7855?

CVE-2019-7855 is a medium-severity vulnerability in Magento Magento, published on 2 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A cryptograhic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 could be abused by an unauthenticated user to discover an invariant used in gift card generation.

Weakness: CWE-338

Which versions are affected by CVE-2019-7855?

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

Products include Magento Magento.

How do I fix CVE-2019-7855?

Upgrade magento/community-edition to a fixed version for your release line: 2.1.18, 2.2.9 or 2.3.2.

Is CVE-2019-7855 being exploited?

There is no known exploitation of CVE-2019-7855 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 GHSA-2w26-gmqm-mc5p.