F5 BIG-IP Advanced WAF/BIG-IP ASM up to 16.0.1 Websocket Profile denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in F5 BIG-IP Advanced WAF and BIG-IP ASM up to 12.1.6/13.1.4/14.1.4/15.1.3/16.0.1 and classified as problematic. This affects an unknown function of the component Websocket Profile Handler. The manipulation leads to denial of service. This vulnerability is documented as CVE-2021-23033. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in F5 BIG-IP Advanced WAF and BIG-IP ASM up to 12.1.6/13.1.4/14.1.4/15.1.3/16.0.1 (Firewall Software). This issue affects an unknown part of the component Websocket Profile Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was released 08/26/2021 as K05314769. The advisory is shared at support.f5.com. The identification of this vulnerability is CVE-2021-23033. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 13.1.4.1, 14.1.4.3, 15.1.3.1, 16.0.1.2 or 16.1.0 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIG-IP Advanced WAF/BIG-IP ASM 13.1.4.1/14.1.4.3/15.1.3.1/16.0.1.2/16.1.0

Timelineinfo

01/06/2021 🔍
08/26/2021 +231 days 🔍
08/26/2021 +0 days 🔍
08/29/2021 +3 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K05314769
Status: Confirmed

CVE: CVE-2021-23033 (🔍)
GCVE (CVE): GCVE-0-2021-23033
GCVE (VulDB): GCVE-100-181541

Entryinfo

Created: 08/26/2021 16:44
Updated: 08/29/2021 19:26
Changes: 08/26/2021 16:44 (40), 08/29/2021 19:26 (1)
Complete: 🔍
Cache ID: 216::103

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