F5 BIG-IP up to 14.1.4 Traffic Management Microkernel denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP up to 14.1.4. It has been classified as problematic. Affected is an unknown function of the component Traffic Management Microkernel. This manipulation causes denial of service. This vulnerability appears as CVE-2021-23035. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in F5 BIG-IP up to 14.1.4 (Firewall Software) and classified as critical. Affected by this vulnerability is an unknown code block of the component Traffic Management Microkernel. 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 K70415522. It is possible to read the advisory at support.f5.com. This vulnerability is known as CVE-2021-23035. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 14.1.4.4 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 14.1.4.4

Timelineinfo

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

Sourcesinfo

Vendor: f5.com

Advisory: K70415522
Status: Confirmed

CVE: CVE-2021-23035 (🔍)
GCVE (CVE): GCVE-0-2021-23035
GCVE (VulDB): GCVE-100-181543

Entryinfo

Created: 08/26/2021 16:47
Updated: 08/29/2021 19:42
Changes: 08/26/2021 16:47 (40), 08/29/2021 19:42 (1)
Complete: 🔍
Cache ID: 216::103

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