F5 BIG-IP up to 11.2.1/11.6.1/12.1.2 Control Plane access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability classified as critical has been found in F5 BIG-IP up to 11.2.1/11.6.1/12.1.2 (Firewall Software). This affects some unknown functionality of the component Control Plane. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In F5 BIG-IP 11.2.1, 11.4.0 through 11.6.1, and 12.0.0 through 12.1.2, an unauthenticated user with access to the control plane may be able to delete arbitrary files through an undisclosed mechanism.

The bug was discovered 05/10/2017. The weakness was released 05/10/2017 (Website). The advisory is shared at support.f5.com. This vulnerability is uniquely identified as CVE-2016-9250 since 11/09/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 100004 (F5 Networks BIG-IP : BIG-IP management vulnerability (K55792317)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371257 (F5 BIG-IP ASM,LTM,APM Management Vulnerability (K55792317)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (100004).







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍


VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 100004
Nessus Name: F5 Networks BIG-IP : BIG-IP management vulnerability (K55792317)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍


11/09/2016 🔍
05/05/2017 +177 days 🔍
05/08/2017 +3 days 🔍
05/10/2017 +2 days 🔍
05/10/2017 +0 days 🔍
05/10/2017 +0 days 🔍
05/11/2017 +1 days 🔍
12/06/2022 +2035 days 🔍


Vendor: f5.com

Advisory: K55792317
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9250 (🔍)
OSVDB: - CVE-2016-9250 - F5 - Big-Ip Access Policy Manager - Medium


Created: 05/11/2017 12:46 PM
Updated: 12/06/2022 09:44 AM
Changes: 05/11/2017 12:46 PM (66), 09/30/2020 12:04 PM (5), 12/06/2022 09:44 AM (4)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!