Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2016-5284

Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 rely on unintended expiration dates for Preloaded Public Key Pinning, which allows man-in-the-middle attackers to spoof add-on updates by leveraging possession of an X.509 server certificate for addons.mozilla.org signed by an arbitrary built-in Certification Authority.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 63.3%
CVSS Severity
CVSS v3 Score 7.4
CVSS v2 Score 4.3
References
Products affected by CVE-2016-5284


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