F5 BIG-IP Advanced WAF/BIG-IP ASM up to 15.1.3/16.0.1 bd denial of service

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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP Advanced WAF and BIG-IP ASM up to 15.1.3/16.0.1. It has been declared as problematic. This vulnerability affects unknown code of the component bd. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2021-23050. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in F5 BIG-IP Advanced WAF and BIG-IP ASM up to 15.1.3/16.0.1 (Firewall Software). This vulnerability affects some unknown processing of the component bd. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was presented 08/26/2021 as K44553214. The advisory is available at support.f5.com. This vulnerability was named CVE-2021-23050. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 15.1.3.1, 16.0.1.2 or 16.1.0 eliminates this vulnerability.

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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: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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 Advanced WAF/BIG-IP ASM 15.1.3.1/16.0.1.2/16.1.0

Timelineinfo

01/06/2021 🔍
08/26/2021 +231 days 🔍
08/26/2021 +0 days 🔍
09/01/2021 +6 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K44553214
Status: Confirmed

CVE: CVE-2021-23050 (🔍)
GCVE (CVE): GCVE-0-2021-23050
GCVE (VulDB): GCVE-100-181558

Entryinfo

Created: 08/26/2021 17:13
Updated: 09/01/2021 08:17
Changes: 08/26/2021 17:13 (40), 09/01/2021 08:17 (1)
Complete: 🔍
Cache ID: 216::103