CVE-2022-20760

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Summary

CVECVE-2022-20760
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-05-03 04:15:00 UTC
Updated2023-11-07 03:42:00 UTC
DescriptionA vulnerability in the DNS inspection handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to a lack of proper processing of incoming requests. An attacker could exploit this vulnerability by sending crafted DNS requests at a high rate to an affected device. A successful exploit could allow the attacker to cause the device to stop responding, resulting in a DoS condition.

Risk And Classification

Problem Types: CWE-400

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Adaptive Security Appliance Software All All All All
Application Cisco Firepower Threat Defense All All All All
Application Cisco Firepower Threat Defense 7.1.0 All All All

References

ReferenceSourceLinkTags
20220427 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software DNS Inspection Denial of Service Vulnerability CISCO tools.cisco.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 317171 Cisco Firepower Threat Defense (FTD) Software Denial of Service (DoS) Vulnerability (cisco-sa-ftd-dos-JnnJm4wB, cisco-sa-asaftd-dos-nJVAwOeq)
  • 317174 Cisco Adaptive Security Appliance (ASA) Domain Name System (DNS) Inspection Denial of Service (DoS) Vulnerability (cisco-sa-asaftd-dos-nJVAwOeq)
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