F5 BIG-IP up to 16.0.1 Traffic Management Microkernel 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 identified as critical has been detected in F5 BIG-IP up to 12.1.6/13.1.4/14.1.2/15.1.2/16.0.1. This vulnerability affects unknown code of the component Traffic Management Microkernel. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2021-23039. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 12.1.6/13.1.4/14.1.2/15.1.2/16.0.1 (Firewall Software). It has been rated as critical. This issue affects some unknown functionality of the component Traffic Management Microkernel. 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 disclosed 08/26/2021 as K66782293. It is possible to read the advisory at support.f5.com. The identification of this vulnerability is CVE-2021-23039. 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 14.1.2.8, 15.1.3, 16.0.1.2 or 16.1.0 eliminates this vulnerability.

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

Productinfo

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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 14.1.2.8/15.1.3/16.0.1.2/16.1.0

Timelineinfo

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

Sourcesinfo

Vendor: f5.com

Advisory: K66782293
Status: Confirmed

CVE: CVE-2021-23039 (🔍)
GCVE (CVE): GCVE-0-2021-23039
GCVE (VulDB): GCVE-100-181547

Entryinfo

Created: 08/26/2021 16:52
Updated: 08/29/2021 20:13
Changes: 08/26/2021 16:52 (38), 08/29/2021 20:13 (1)
Complete: 🔍
Cache ID: 216::103

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