F5 BIG-IP DNS/BIG-IP LTM GSLB up to 16.0.0.1 DNS Response 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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3.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in F5 BIG-IP DNS and BIG-IP LTM GSLB up to 16.0.0.1. The affected element is an unknown function of the component DNS Response Handler. This manipulation causes denial of service. This vulnerability is tracked as CVE-2020-27721. No exploit exists.

Detailsinfo

A vulnerability was found in F5 BIG-IP DNS and BIG-IP LTM GSLB up to 16.0.0.1 (Firewall Software). It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component DNS Response Handler. 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 12/25/2020 as K52035247. The advisory is shared at support.f5.com. This vulnerability is known as CVE-2020-27721. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

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Vendor

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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: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
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: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/25/2020 🔍
12/25/2020 +0 days 🔍
12/25/2020 +0 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K52035247
Status: Not defined

CVE: CVE-2020-27721 (🔍)
GCVE (CVE): GCVE-0-2020-27721
GCVE (VulDB): GCVE-100-166777

Entryinfo

Created: 12/25/2020 13:17
Changes: 12/25/2020 13:17 (38)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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