CVE-2015-8099

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-05-13 · updated 2026-06-17
Weakness: CWE-20

Description

F5 BIG-IP LTM, AFM, Analytics, APM, ASM, Link Controller, and PEM 11.3.x, 11.4.x before 11.4.1 HF10, 11.5.x before 11.5.4, 11.6.x before 11.6.1, and 12.x before 12.0.0 HF1; BIG-IP AAM 11.4.x before 11.4.1 HF10, 11.5.x before 11.5.4, 11.6.x before 11.6.1, and 12.x before 12.0.0 HF1; BIG-IP DNS 12.x before 12.0.0 HF1; BIG-IP Edge Gateway, WebAccelerator, and WOM 11.3.0; BIG-IP GTM 11.3.x, 11.4.x before 11.4.1 HF10, 11.5.x before 11.5.4, and 11.6.x before 11.6.1; BIG-IP PSM 11.3.x and 11.4.x before 11.4.1 HF10; Enterprise Manager 3.0.0 through 3.1.1; BIG-IQ Cloud and BIG-IQ Security 4.0.0 through 4.5.0; BIG-IQ Device 4.2.0 through 4.5.0; BIG-IQ ADC 4.5.0; BIG-IQ Centralized Management 4.6.0; and BIG-IQ Cloud and Orchestration 1.0.0 on the 3900, 6900, 8900, 8950, 11000, 11050, PB100 and PB200 platforms, when software SYN cookies are configured on virtual servers, allow remote attackers to cause a denial of service (High-Speed Bridge hang) via an invalid TCP segment.

Affected products

F5 BIG-IP APM: 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2 (+3)
BIG-IP: 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2 (+3)
F5 Big-Ip Analytics: 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2 (+3)
F5 Networks, Inc. BIG-IP (AAM): 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.5.3 (+2)
BIG-IP ASM: 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2 (+3)
F5 BIG-IP DNS: 12.0.0
F5 Big-Ip Edge Gateway: 11.3.0
F5 Networks BIG-IP, Enterprise Manager: 3.0.0, 3.1.0, 3.1.1
F5 Big-Ip Global Traffic Manager: 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2 (+2)
F5 Big-Ip Link Controller: 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2 (+3)
F5 BIG-IP (LTM): 10.2.0, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1 (+4)
F5 Networks, Inc. BIG-IP (PEM): 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2 (+3)
F5 Big-Ip Protocol Security Module: 11.3.0, 11.4.0, 11.4.1
F5 Big-Ip Wan Optimization Manager: 11.3.0
F5 Big-Ip Webaccelerator: 11.3.0
F5 Big-Iq Application Delivery Controller: 4.5.0
F5 BIG-IQ: 4.6.0
F5 Big-Iq Cloud: 4.0.0, 4.1.0, 4.2.0, 4.3.0, 4.4.0, 4.5.0
F5 Networks, Inc. BIG-IQ Cloud and Orchestration: 1.0.0
F5 Big-Iq Device: 4.2.0, 4.3.0, 4.4.0, 4.5.0
F5 Big-Iq Security: 4.0.0, 4.1.0, 4.2.0, 4.3.0, 4.4.0, 4.5.0

References

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