F5 BIG-IP ASM/Advanced WAF up to 16.0.1.0 Websocket of resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in F5 BIG-IP ASM and Advanced WAF up to 12.1.x/13.1.3.5/14.1.3.0/15.1.1/16.0.1.0 and classified as problematic. Affected by this issue is some unknown functionality of the component Websocket Handler. The manipulation of the argument of leads to resource consumption. This vulnerability is uniquely identified as CVE-2021-22976. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in F5 BIG-IP ASM and Advanced WAF up to 12.1.x/13.1.3.5/14.1.3.0/15.1.1/16.0.1.0 (Firewall Software) and classified as problematic. This issue affects an unknown part of the component Websocket Handler. The manipulation of the argument of with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.

The weakness was disclosed 02/13/2021 as K88230177. It is possible to read the advisory at support.f5.com. The identification of this vulnerability is CVE-2021-22976. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 13.1.3.6, 14.1.3.1, 15.1.2 or 16.0.1.1 eliminates this vulnerability.

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

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIG-IP ASM/Advanced WAF 13.1.3.6/14.1.3.1/15.1.2/16.0.1.1

Timelineinfo

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

Sourcesinfo

Vendor: f5.com

Advisory: K88230177
Status: Confirmed

CVE: CVE-2021-22976 (🔍)
GCVE (CVE): GCVE-0-2021-22976
GCVE (VulDB): GCVE-100-169907

Entryinfo

Created: 02/13/2021 09:45
Updated: 03/01/2021 14:10
Changes: 02/13/2021 09:45 (41), 03/01/2021 14:08 (5), 03/01/2021 14:10 (18)
Complete: 🔍
Cache ID: 216::103

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