F5 BIG-IP Advanced WAF/BIG-IP ASM up to 13.1.3.6/14.1.4.1/15.1.3/16.0.1 bd 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 classified as problematic has been found in F5 BIG-IP Advanced WAF and BIG-IP ASM up to 13.1.3.6/14.1.4.1/15.1.3/16.0.1. This issue affects some unknown processing of the component bd. This manipulation causes denial of service. This vulnerability is tracked as CVE-2021-23028. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in F5 BIG-IP Advanced WAF and BIG-IP ASM up to 13.1.3.6/14.1.4.1/15.1.3/16.0.1 (Firewall Software). It has been declared as critical. Affected by this vulnerability is 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 disclosed 08/26/2021 as K00602225. The advisory is shared at support.f5.com. This vulnerability is known as CVE-2021-23028. 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, 14.1.4.2, 15.1.3.1, 16.0.1.2 or 16.1.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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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 13.1.4/14.1.4.2/15.1.3.1/16.0.1.2/16.1.0

Timelineinfo

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

Sourcesinfo

Vendor: f5.com

Advisory: K00602225
Status: Confirmed

CVE: CVE-2021-23028 (🔍)
GCVE (CVE): GCVE-0-2021-23028
GCVE (VulDB): GCVE-100-181537

Entryinfo

Created: 08/26/2021 16:37
Updated: 08/29/2021 18:57
Changes: 08/26/2021 16:37 (40), 08/29/2021 18:57 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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