CVE-2019-7928: Magento 2 Community Edition DoS vulnerability

May 24, 2022 (updated July 17, 2023)

A denial-of-service (DoS) vulnerability exists 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. By abusing insufficient brute-forcing defenses in the token exchange protocol, an unauthenticated attacker could disrupt transactions between the Magento merchant and PayPal.

References

github.com/advisories/GHSA-hrg3-4q56-p2q5
nvd.nist.gov/vuln/detail/CVE-2019-7928
web.archive.org/web/20211206084839/https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-13

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