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CVE-2018-15443

Type: 
Uncontrolled Resource Consumption ('Resource Exhaustion')
Severity: 
Medium
Publication date: 
11/08/2018
Last modified: 
10/09/2019
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.
Impact
Access Vector: Through network
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Partially affects on system integrity + No impact on system confidentiality + No impact on system availability
Vulnerable software and versions
  • cpe:2.3:a:cisco:firepower_system_software:-:*:*:*:*:*:*:*
To consult the complete list of products and versions see this page
References to Advisories, Solutions, and Tools
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