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.
6.5	$0-$5k	0.00

A vulnerability, which was classified as critical, has been found in F5 BIG-IP up to 11.6.0 (Firewall Software). This issue affects an unknown code of the component Call Home Feature. The manipulation with an unknown input leads to a improper authentication vulnerability (SSL). Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, and integrity. The summary by CVE is:

The automatic signature update functionality in the (1) Phone Home feature in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, GTM, and Link Controller 11.5.0 through 11.6.0, ASM 10.0.0 through 11.6.0, and PEM 11.3.0 through 11.6.0 and the (2) Call Home feature in ASM 10.0.0 through 11.6.0 and PEM 11.3.0 through 11.6.0 does not properly validate server SSL certificates, which allows remote attackers to conduct man-in-the-middle attacks via a crafted certificate.

The weakness was presented 05/12/2015 (Website). The advisory is shared at support.f5.com. The identification of this vulnerability is CVE-2014-9326 since 12/07/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/10/2022).

The vulnerability scanner Nessus provides a plugin with the ID 83148 (F5 Networks BIG-IP : BIG-IP Automatic Update Check and ASM Automatic Signature Update man-in-the-middle vulnerability (SOL16090)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (83148), SecurityFocus (BID 74650†) and Vulnerability Center (SBV-50964†).

Productinfo

Type

• Firewall Software

Vendor

• F5

Name

• BIG-IP

Version

• 11.0
• 11.1
• 11.2
• 11.3
• 11.4
• 11.5
• 11.6

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: SSL
Class: Improper authentication / SSL
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 83148
Nessus Name: F5 Networks BIG-IP : BIG-IP Automatic Update Check and ASM Automatic Signature Update man-in-the-middle vulnerability (SOL16090)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/07/2014 🔍
04/30/2015 +144 days 🔍
04/30/2015 +0 days 🔍
05/12/2015 +12 days 🔍
05/12/2015 +0 days 🔍
05/12/2015 +0 days 🔍
05/13/2015 +1 days 🔍
07/02/2015 +50 days 🔍
05/10/2022 +2504 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: support.f5.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-9326 (🔍)
SecurityFocus: 74650 - Multiple F5 BIG-IP Products SSL Certificate Validation Multiple Security Bypass Vulnerabilities
SecurityTracker: 1032305
Vulnerability Center: 50964 - F5 BigIP Products Remote Security Bypass Vulnerability via a Crafted Certificate, Medium

Entryinfo

Created: 05/13/2015 10:13 AM
Updated: 05/10/2022 02:10 PM
Changes: 05/13/2015 10:13 AM (56), 07/03/2017 08:58 AM (10), 05/10/2022 02:04 PM (3), 05/10/2022 02:10 PM (1)
Complete: 🔍
Cache ID: 18:3DD:40

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