What’s Vulnerable › Vulnerabilities

CVE-2016-5023

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-08-26 · updated 2026-06-17
• Weakness: CWE-284

Description

Virtual servers in F5 BIG-IP systems 11.2.1 HF11 through HF15, 11.4.1 HF4 through HF10, 11.5.3 through 11.5.4, 11.6.0 HF5 through HF7, and 12.0.0, when configured with a TCP profile, allow remote attackers to cause a denial of service (Traffic Management Microkernel restart) via crafted network traffic.

Affected products

• F5 BIG-IP APM: 11.2.1, 11.4.1, 11.5.3, 11.5.4, 11.6.0, 12.0.0
• BIG-IP: 11.4.1, 11.5.3, 11.5.4, 11.6.0, 12.0.0
• F5 Big-Ip Analytics: 11.2.1, 11.4.1, 11.5.3, 11.5.4, 11.6.0, 12.0.0
• F5 Networks, Inc. BIG-IP (AAM): 11.4.1, 11.5.3, 11.5.4, 11.6.0, 12.0.0
• BIG-IP ASM: 11.2.1, 11.4.1, 11.5.3, 11.5.4, 11.6.0, 12.0.0
• F5 BIG-IP DNS: 12.0.0
• F5 Big-Ip Edge Gateway: 11.2.1
• F5 Big-Ip Global Traffic Manager: 11.2.1, 11.4.1, 11.5.3, 11.5.4, 11.6.0
• F5 Big-Ip Link Controller: 11.2.1, 11.4.1, 11.5.3, 11.5.4, 11.6.0, 12.0.0
• F5 Networks, Inc. BIG-IP (PEM): 11.4.1, 11.5.3, 11.5.4, 11.6.0, 12.0.0
• F5 Big-Ip Protocol Security Module: 11.2.1, 11.4.1
• F5 Big-Ip Wan Optimization Manager: 11.2.1
• F5 Big-Ip Webaccelerator: 11.2.1

References

• http://www.securityfocus.com/bid/92670
• http://www.securitytracker.com/id/1036624
• https://support.f5.com/kb/en-us/solutions/public/k/19/sol19784568.html
• http://www.securityfocus.com/bid/92670
• http://www.securitytracker.com/id/1036624
• https://support.f5.com/kb/en-us/solutions/public/k/19/sol19784568.html

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