← Vulnerability feed

Vulnerability record · CVE-2016-5022 · published 7 September 2016

CVE-2016-5022: F5 big-ip link controller improper access control vulnerability

F5 · Big Ip Link Controller

F5 BIG-IP LTM, Analytics, APM, ASM, and Link Controller 11.2.x before 11.2.1 HF16, 11.3.x, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1 HF1, and 12.x before 12.0.0 HF3; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1 HF1, and 12.x before 12.0.0 HF3; BIG-IP DNS 12.x before 12.0.0 HF3; BIG-IP Edge Gateway, WebAccelerator, and WOM 11.2.x before 11.2.1 HF16 and 11.3.0; BIG-IP GTM 11.2.x before 11.2.1 HF16, 11.3.x, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1 HF1; BIG-IP PSM 11.2.x before 11.2.1 HF16, 11.3.x, and 11.4.0 through 11.4.1; Enterprise Manager 3.1.1; BIG-IQ Cloud and 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 5.0.0; BIG-IQ Cloud and Orchestration 1.0.0; and iWorkflow 2.0.0, when Packet Filtering is enabled on virtual servers and possibly self IP addresses, allow remote attackers to cause a denial of service (Traffic Management Microkernel restart) and possibly have unspecified other impact via crafted network traffic.

9.8 CVSS 3.0 Critical EPSS 3.5% · top 11.4% CWE-284 · Improper access control
9.8CVSS 3.0 base score, v2 7.5
3.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
22Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

F5 BIG-IP LTM, Analytics, APM, ASM, and Link Controller 11.2.x before 11.2.1 HF16, 11.3.x, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1 HF1, and 12.x before 12.0.0 HF3; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1 HF1, and 12.x before 12.0.0 HF3; BIG-IP DNS 12.x before 12.0.0 HF3; BIG-IP Edge Gateway, WebAccelerator, and WOM 11.2.x before 11.2.1 HF16 and 11.3.0; BIG-IP GTM 11.2.x before 11.2.1 HF16, 11.3.x, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1 HF1; BIG-IP PSM 11.2.x before 11.2.1 HF16, 11.3.x, and 11.4.0 through 11.4.1; Enterprise Manager 3.1.1; BIG-IQ Cloud and 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 5.0.0; BIG-IQ Cloud and Orchestration 1.0.0; and iWorkflow 2.0.0, when Packet Filtering is enabled on virtual servers and possibly self IP addresses, allow remote attackers to cause a denial of service (Traffic Management Microkernel restart) and possibly have unspecified other impact via crafted network traffic.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

22 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securitytracker.com/id/1036709 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036710 Third Party AdvisoryVDB Entry
https://support.f5.com/kb/en-us/solutions/public/k/06/sol06045217.html Vendor Advisory
http://www.securitytracker.com/id/1036709 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036710 Third Party AdvisoryVDB Entry
https://support.f5.com/kb/en-us/solutions/public/k/06/sol06045217.html Vendor Advisory

Track CVE-2016-5022 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-46747F5 BIG-IP configuration utility authentication bypass allows command executionUndisclosed requests can bypass authentication in the BIG-IP configuration utility, letting a network-positioned attacker execute arbitrary system co…KEVEPSS 97%analysed9.8CVE-2022-1388F5 BIG-IP iControl REST authentication bypassUndisclosed requests to the iControl REST interface on multiple F5 BIG-IP modules can bypass authentication, allowing an unauthenticated remote attac…KEVEPSS 100%analysed9.8CVE-2021-22991F5 BIG-IP TMM URI normalization buffer overflowF5 BIG-IP's Traffic Management Microkernel (TMM) mishandles URI normalization for undisclosed requests to a virtual server, triggering a buffer overf…KEVEPSS 61%analysed9.8CVE-2021-22986F5 BIG-IP iControl REST unauthenticated remote command executionThe iControl REST interface on multiple F5 BIG-IP and BIG-IQ versions exposes an unauthenticated remote command execution flaw, tracked as CWE-918 se…KEVEPSS 100%analysed9.8CVE-2020-5902F5 BIG-IP TMUI path traversal leading to remote code executionThe F5 BIG-IP Traffic Management User Interface (TMUI, also called the Configuration utility) contains a path traversal flaw (CWE-22) in undisclosed …KEVEPSS 100%analysed9.8CVE-2014-7169GNU Bash environment variable function parsing command injection (Shellshock variant)GNU Bash through 4.3 bash43-025 processes trailing strings after malformed function definitions in environment variable values, allowing command inje…KEVEPSS 100%analysed9.8CVE-2014-6271GNU Bash environment variable command injection (ShellShock)GNU Bash through 4.3 processes trailing strings after function definitions in environment variable values, allowing injected commands to run when Bas…KEVEPSS 100%analysed9.3CVE-2026-94127F5 big-ip access policy manager heap-based buffer overflow vulnerabilityWhen a BIG-IP APM access policy and an OAuth profile are configured on a virtual server, specific malicious traffic can lead to remote code execution…KEVEPSS 2.2%

Source: NIST National Vulnerability Database (record CVE-2016-5022), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.