CVE-2018-15443
5.8 · MEDIUMOverview
CVE-2018-15443 is a medium-severity vulnerability affecting cisco firepower_system_software. It was published on November 8, 2018 and has a CVSS 3.0 base score of 5.8 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass a configured Intrusion Prevention System (IPS) rule that inspects certain types of TCP traffic. The vulnerability is due to incorrect TCP retransmission handling. An attacker could exploit this vulnerability by sending a crafted TCP connection request through an affected device. A successful exploit could allow the attacker to bypass configured IPS rules and allow uninspected traffic onto the network.
Remediation
Check the references section for vendor advisories and patches from cisco. Update firepower_system_software 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 |
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Frequently Asked Questions
What is CVE-2018-15443?
CVE-2018-15443 is a medium-severity vulnerability affecting cisco firepower_system_software. It was published on November 8, 2018 and has a CVSS 3.0 base score of 5.8 (MEDIUM).
How severe is CVE-2018-15443?
This vulnerability has a CVSS 3.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-15443?
Check the references section for vendor advisories and patches from cisco. Update firepower_system_software 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-2018-15443?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-15443 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.
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