CVE-2022-20854
HIGHCisco Secure Firewall Management Center - Improper Exception Handling
Title source: ruleDescription
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.
Scores
CVSS v3
7.5
EPSS
0.0079
EPSS Percentile
73.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Classification
CWE
CWE-755
CWE-400
Status
published
Affected Products (36)
cisco/secure_firewall_management_center
< 6.1.0.7
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
cisco/secure_firewall_management_center
... and 21 more
Timeline
Published
Nov 15, 2022
Tracked Since
Feb 18, 2026