CVE-2022-20854

Description

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.

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.10%
Affected: Cisco Cisco Firepower Management Center
Affected: Cisco Cisco Firepower Threat Defense Software
Published at:
Updated at:

References

Link Tags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-dos-OwEunWJN

Frequently Asked Questions

What is the severity of CVE-2022-20854?
CVE-2022-20854 has been scored as a high severity vulnerability.
How to fix CVE-2022-20854?
To fix CVE-2022-20854, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-20854 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-20854 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-20854?
CVE-2022-20854 affects Cisco Cisco Firepower Management Center, Cisco Cisco Firepower Threat Defense Software.
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