High severity · published Oct 8, 2018
CVE-2016-7475
Under some circumstances on BIG-IP 12.0.0-12.1.0, 11.6.0-11.6.1, or 11.4.0-11.5.4 HF1, the Traffic Management Microkernel (TMM) may not properly clean-up pool member network…
7.5
CVSS
1.3%
EPSS
No
On KEV
Description
Under some circumstances on BIG-IP 12.0.0-12.1.0, 11.6.0-11.6.1, or 11.4.0-11.5.4 HF1, the Traffic Management Microkernel (TMM) may not properly clean-up pool member network connections when using SPDY or HTTP/2 virtual server profiles.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
11.4.0 through 11.6.1; 12.0.0 through 12.1.0 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
11.4.0 through 11.6.1; 12.0.0 through 12.1.0 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
11.4.0 through 11.6.1; 12.0.0 through 12.1.0 · source: NVD
BA
Big-ip Application Security Manager · F5
11.4.0 through 11.6.1; 12.0.0 through 12.1.0 · source: NVD
BL
Big-ip Link Controller · F5
11.4.0 through 11.6.1; 12.0.0 through 12.1.0 · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.4.0 through 11.6.1; 12.0.0 through 12.1.0 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.4.0 through 11.6.1; 12.0.0 through 12.1.0 · source: NVD
BP
Big-ip Protocol Security Module · F5
11.4.0 through 11.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7475
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7475
Vendor Advisory
https://support.f5.com/csp/article/K01587042
More from Big-ip Access Policy Manager
9.8
CVE-2026-94127
BIG-IP APM OAuth vulnerability
9.8
CVE-2025-53521
BigIP APM Vulnerability
9.8
CVE-2023-46747
BIG-IP Configuration utility unauthenticated remote code execution vulnerability
9.8
CVE-2022-1388
F5 BIG-IP Missing Authentication Vulnerability
9.8
CVE-2021-22991
F5 BIG-IP Traffic Management Microkernel Buffer Overflow
