CVE-2022-20854
7.5 · HIGHOverview
CVE-2022-20854 is a high-severity vulnerability affecting cisco secure_firewall_management_center. It was published on November 15, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from cisco. Update secure_firewall_management_center to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cisco | secure_firewall_management_center | 6.1.0 | Affected |
| cisco | secure_firewall_threat_defense | 6.1.0 | Affected |
Frequently Asked Questions
What is CVE-2022-20854?
CVE-2022-20854 is a high-severity vulnerability affecting cisco secure_firewall_management_center. It was published on November 15, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2022-20854?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-20854?
Check the references section for vendor advisories and patches from cisco. Update secure_firewall_management_center to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-20854?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-20854 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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