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.
5.1	$0-$5k	0.00

A vulnerability was found in F5 BIG-IP AFM up to 12.1.3.6/13.1.1.1 (Firewall Software). It has been rated as problematic. This issue affects an unknown code of the component TMUI. The manipulation with an unknown input leads to a cross site scripting vulnerability (Reflected). Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

On F5 BIG-IP AFM 13.0.0-13.1.1.1 and 12.1.0-12.1.3.6, there is a Reflected Cross Site Scripting vulnerability in undisclosed TMUI page.

The bug was discovered 10/08/2018. The weakness was released 10/19/2018 (Website). The advisory is shared at support.f5.com. The identification of this vulnerability is CVE-2018-15313 since 08/14/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 118640 (F5 Networks BIG-IP : XSS vulnerability in undisclosed TMUI page (K21042153)), 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 371272 (F5 BIG-IP ASM undisclosed TMUI page Reflected Cross-Site Scripting Vulnerability (K21042153,K04524282) (Deprecated)).

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 databases at Tenable (118640) and SecurityFocus (BID 105733†). Entry connected to this vulnerability is available at VDB-125802.

Productinfo

Type

• Firewall Software

Vendor

• F5

Name

• BIG-IP AFM

Version

• 12.1.3.0
• 12.1.3.1
• 12.1.3.2
• 12.1.3.3
• 12.1.3.4
• 12.1.3.5
• 12.1.3.6
• 13.1.1.0
• 13.1.1.1

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: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

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: Reflected
Class: Cross site scripting / Reflected
CWE: CWE-79 / CWE-74 / CWE-707
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: 118640
Nessus Name: F5 Networks BIG-IP : XSS vulnerability in undisclosed TMUI page (K21042153)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/14/2018 🔍
10/08/2018 +55 days 🔍
10/18/2018 +10 days 🔍
10/18/2018 +0 days 🔍
10/19/2018 +0 days 🔍
10/19/2018 +0 days 🔍
10/20/2018 +1 days 🔍
11/02/2018 +13 days 🔍
05/30/2023 +1670 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K21042153
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-15313 (🔍)
SecurityFocus: 105733 - F5 BIG-IP AFM Multiple Cross Site Scripting Vulnerabilities
SecurityTracker: 1041934

See also: 🔍

Entryinfo

Created: 10/20/2018 08:59
Updated: 05/30/2023 13:17
Changes: 10/20/2018 08:59 (70), 04/05/2020 16:56 (6), 05/30/2023 13:17 (5)
Complete: 🔍
Cache ID: 3:9E4:103

Discussion

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