CVE-2016-5021

What it is

The iControl REST service in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, Link Controller, and PEM 11.5.x before 11.5.4, 11.6.x before 11.6.1, and 12.x before 12.0.0 HF3; BIG-IP DNS 12.x before 12.0.0 HF3; BIG-IP GTM 11.5.x before 11.5.4 and 11.6.x before 11.6.1; 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 4.6.0; and BIG-IQ Cloud and Orchestration 1.0.0 allows remote authenticated administrators to obtain sensitive information via unspecified vectors.

At a glance

Exploitability

Can be exploited over the network with an admin-level account. High risk of data exposure.

Exploit odds

1.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2016-06-24 17:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:48 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.2% in the next 30 days (EPSS).
• Severity: 4.9 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2016-06-24 17:59 UTC

Last modified

2026-06-17 00:48 UTC

Exploit probability

1.2% · EPSS, next 30 days

Weakness

CWE-200 · Information exposure

Record status

Modified

Affected

• f5 big-iq Application Delivery Controller 4.5.0
• f5 big-iq Cloud And Orchestration 1.0.0
• f5 big-ip Application Acceleration Manager 11.5.0
• f5 big-ip Application Acceleration Manager 11.5.1
• f5 big-ip Application Acceleration Manager 11.5.2
• f5 big-ip Application Acceleration Manager 11.5.3
• f5 big-ip Application Acceleration Manager 11.6.0
• f5 big-ip Application Acceleration Manager 12.0.0

Attack profile CVSS 3.0 · 4.9

Attack vector

Network

Complexity

Low

Privileges needed

High

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2016-5021.md and follow it. Check whether this project is affected by CVE-2016-5021. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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