CVE-2022-20854

Summary

A 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.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Firepower Management CenterN/Aaffected
CiscoCisco Firepower Threat Defense SoftwareN/Aaffected

Weaknesses

  • CWE-400: Uncontrolled Resource Consumption

ADP Enrichment

CVE Program Container

Additional References

References