F5 BIG-IQ vulnerabilities

2 CVEs affecting F5 BIG-IQ, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-66842, published 2026-09-02.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2014-3220, published 2014-05-05. High severity, CVSS 9.0. EPSS: 11% chance of exploitation in the next 30 days. F5 BIG-IQ Cloud and Security 4.0.0 through 4.1.0 allows remote authenticated users to change the password of arbitrary users via the name parameter in a request to the user's page in…
• CVE-2026-66842, published 2026-09-02. High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days. BIG-IP has a vulnerability where an authenticated user of any role may be able to create administrative user accounts through an undisclosed request to Traffic Management User Interface…