7.5
CVSSv3

CVE-2022-20854

Published: 15/11/2022 Updated: 25/01/2024
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability 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 malicious user 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 malicious user to cause resource exhaustion, resulting in a reboot on the affected device.

Vulnerability Trend

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cisco firepower management center 6.2.1

cisco firepower management center 6.6.0.1

cisco firepower management center 6.6.0

cisco firepower management center

cisco firepower management center 7.0.0

cisco firepower management center 6.6.3

cisco firepower management center 6.6.4

cisco firepower management center 6.6.5

cisco firepower management center 6.6.5.1

cisco firepower management center 6.6.5.2

cisco firepower management center 6.6.1

cisco firepower management center 7.0.0.1

cisco firepower management center 7.0.1

cisco firepower management center 7.0.1.1

cisco firepower management center 7.0.2

cisco firepower management center 7.0.2.1

cisco firepower management center 7.0.3

cisco firepower management center 7.0.4

cisco firepower threat defense 6.2.1

cisco firepower threat defense 6.6.0.1

cisco firepower threat defense 6.6.0

cisco firepower threat defense 7.0.0

cisco firepower threat defense

cisco firepower threat defense 7.0.1

cisco firepower threat defense 7.0.0.1

cisco firepower threat defense 7.0.1.1

cisco firepower threat defense 7.0.2

cisco firepower threat defense 7.0.2.1

cisco firepower threat defense 7.0.3

cisco firepower threat defense 7.0.4

cisco firepower threat defense 6.6.1

cisco firepower threat defense 6.6.3

cisco firepower threat defense 6.6.4

cisco firepower threat defense 6.6.5

cisco firepower threat defense 6.6.5.1

cisco firepower threat defense 6.6.5.2

Vendor Advisories

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 est ...