What’s Vulnerable › Vulnerabilities
CVE-2017-6144
- Severity: high (CVSS 7.4 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2017-10-20 · updated 2026-06-17
- Weakness: CWE-295
Description
In F5 BIG-IP PEM 12.1.0 through 12.1.2 when downloading the Type Allocation Code (TAC) database file via HTTPS, the server's certificate is not verified. Attackers in a privileged network position may be able to launch a man-in-the-middle attack against these connections. TAC databases are used in BIG-IP PEM for Device Type and OS (DTOS) and Tethering detection. Customers not using BIG-IP PEM, not configuring downloads of TAC database files, or not using HTTP for that download are not affected.
Affected products
- F5 Networks, Inc. BIG-IP (PEM): 12.1.0, 12.1.1, 12.1.2
References
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