F5 BIG-IP ASM/Advanced WAF up to 15.1.0.1 Client Request redirect

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.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in F5 BIG-IP ASM and Advanced WAF up to 15.1.0.1. This impacts an unknown function of the component Client Request Handler. This manipulation causes redirect. This vulnerability is registered as CVE-2021-22984. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in F5 BIG-IP ASM and Advanced WAF up to 15.1.0.1 (Firewall Software) and classified as problematic. Affected by this vulnerability is an unknown code of the component Client Request Handler. The manipulation with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect confidentiality.

The weakness was published 02/13/2021 as K33440533. It is possible to read the advisory at support.f5.com. This vulnerability is known as CVE-2021-22984. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1204.001 according to MITRE ATT&CK.

Upgrading to version 11.6.5.2, 12.1.5.2, 13.1.3.4, 14.1.0, 14.1.2.5, 15.0.1.4 or 15.1.0.2 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Firewall Software

Vendor

Name

Version

License

commercial

Website

Vendor: https://f5.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

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

Class: Redirect
CWE: CWE-601
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIG-IP ASM/Advanced WAF 11.6.5.2/12.1.5.2/13.1.3.4/14.1.0/14.1.2.5/15.0.1.4/15.1.0.2

Timelineinfo

01/06/2021 🔍
02/13/2021 +38 days 🔍
02/13/2021 +0 days 🔍
03/01/2021 +16 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K33440533
Status: Confirmed

CVE: CVE-2021-22984 (🔍)
GCVE (CVE): GCVE-0-2021-22984
GCVE (VulDB): GCVE-100-169915

Entryinfo

Created: 02/13/2021 09:50
Updated: 03/01/2021 15:26
Changes: 02/13/2021 09:50 (39), 03/01/2021 15:20 (5), 03/01/2021 15:26 (18)
Complete: 🔍
Cache ID: 216::103