Cisco ASA/Firepower Threat Defense DNS Inspection resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco ASA and Firepower Threat Defense. Affected by this issue is some unknown functionality of the component DNS Inspection. The manipulation results in resource consumption. This vulnerability is known as CVE-2022-20760. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco ASA and Firepower Threat Defense (Firewall Software) (version unknown). It has been classified as critical. Affected is an unknown function of the component DNS Inspection. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.

The weakness was published 05/03/2022 as cisco-sa-asaftd-dos-nJVAwOeq. The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2022-20760 since 11/02/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

CNA Base Score: 8.6
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / 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: 🔍

Timelineinfo

11/02/2021 🔍
05/03/2022 +181 days 🔍
05/03/2022 +0 days 🔍
07/28/2023 +451 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-asaftd-dos-nJVAwOeq
Status: Confirmed

CVE: CVE-2022-20760 (🔍)
GCVE (CVE): GCVE-0-2022-20760
GCVE (VulDB): GCVE-100-198870

Entryinfo

Created: 05/03/2022 07:27
Updated: 07/28/2023 15:10
Changes: 05/03/2022 07:27 (39), 05/05/2022 11:30 (1), 05/05/2022 11:39 (12), 07/28/2023 15:10 (2)
Complete: 🔍
Cache ID: 216::103

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