Security Advisory

CVE-2018-15443

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2018-11-08 17:00:00

Last updated 2024-11-26 14:22:11

Assigner cisco

State PUBLISHED

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.

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