CVE-2022-20854

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Summary

CVECVE-2022-20854
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-11-15 21:15:00 UTC
Updated2024-01-25 17:15:00 UTC
DescriptionA vulnerability in the processing of SSH connections of Cisco Firepower Management Center (FMC) and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper error handling when an SSH session fails to be established. An attacker could exploit this vulnerability by sending a high rate of crafted SSH connections to the instance. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a reboot on the affected device.

Risk And Classification

Problem Types: CWE-755

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Firepower Management Center 6.2.1 All All All
Application Cisco Firepower Management Center 6.6.0 All All All
Application Cisco Firepower Management Center 6.6.0.1 All All All
Application Cisco Firepower Management Center 6.6.1 All All All
Application Cisco Firepower Management Center 6.6.3 All All All
Application Cisco Firepower Management Center 6.6.4 All All All
Application Cisco Firepower Management Center 6.6.5 All All All
Application Cisco Firepower Management Center 6.6.5.1 All All All
Application Cisco Firepower Management Center 6.6.5.2 All All All
Application Cisco Firepower Management Center 7.0.0 All All All
Application Cisco Firepower Management Center 7.0.0.1 All All All
Application Cisco Firepower Management Center 7.0.1 All All All
Application Cisco Firepower Management Center 7.0.1.1 All All All
Application Cisco Firepower Management Center 7.0.2 All All All
Application Cisco Firepower Management Center 7.0.2.1 All All All
Application Cisco Firepower Management Center 7.0.3 All All All
Application Cisco Firepower Management Center 7.0.4 All All All
Application Cisco Firepower Management Center All All All All
Application Cisco Firepower Management Center All All All All
Application Cisco Firepower Management Center All All All All
Application Cisco Firepower Management Center All All All All
Application Cisco Firepower Management Center All All All All
Application Cisco Firepower Management Center All All All All
Application Cisco Firepower Management Center All All All All
Application Cisco Firepower Management Center All All All All
Application Cisco Firepower Threat Defense 6.2.1 All All All
Application Cisco Firepower Threat Defense 6.6.0 All All All
Application Cisco Firepower Threat Defense 6.6.0.1 All All All
Application Cisco Firepower Threat Defense 6.6.1 All All All
Application Cisco Firepower Threat Defense 6.6.3 All All All
Application Cisco Firepower Threat Defense 6.6.4 All All All
Application Cisco Firepower Threat Defense 6.6.5 All All All
Application Cisco Firepower Threat Defense 6.6.5.1 All All All
Application Cisco Firepower Threat Defense 6.6.5.2 All All All
Application Cisco Firepower Threat Defense 7.0.0 All All All
Application Cisco Firepower Threat Defense 7.0.0.1 All All All
Application Cisco Firepower Threat Defense 7.0.1 All All All
Application Cisco Firepower Threat Defense 7.0.1.1 All All All
Application Cisco Firepower Threat Defense 7.0.2 All All All
Application Cisco Firepower Threat Defense 7.0.2.1 All All All
Application Cisco Firepower Threat Defense 7.0.3 All All All
Application Cisco Firepower Threat Defense 7.0.4 All All All
Application Cisco Firepower Threat Defense All All All All
Application Cisco Firepower Threat Defense All All All All
Application Cisco Firepower Threat Defense All All All All
Application Cisco Firepower Threat Defense All All All All
Application Cisco Firepower Threat Defense All All All All
Application Cisco Firepower Threat Defense All All All All
Application Cisco Firepower Threat Defense All All All All
Application Cisco Firepower Threat Defense All All All All

References

ReferenceSourceLinkTags
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-do... MISC tools.cisco.com
Cisco Firepower Management Center and Firepower Threat Defense Software SSH Denial of Service Vulnerability sec.cloudapps.cisco.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 317269 Cisco Firepower Management Center (FMC) Software SSH Denial of Service (DoS) Vulnerability (cisco-sa-fmc-dos-OwEunWJN)
  • 317280 Cisco Firepower Threat Defense (FTD) Software SSH Denial of Service (DoS) Vulnerability (cisco-sa-fmc-dos-OwEunWJN)

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