CVE-2018-0297

MEDIUM

Cisco Firepower Threat Defense - Auth Bypass

Title source: llm

Description

A vulnerability in the detection engine of Cisco Firepower Threat Defense software could allow an unauthenticated, remote attacker to bypass a configured Secure Sockets Layer (SSL) Access Control (AC) policy to block SSL traffic. The vulnerability is due to the incorrect handling of TCP SSL packets received out of order. An attacker could exploit this vulnerability by sending a crafted SSL connection through the affected device. A successful exploit could allow the attacker to bypass a configured SSL AC policy to block SSL traffic. Cisco Bug IDs: CSCvg09316.

Scores

CVSS v3 5.8
EPSS 0.0017
EPSS Percentile 37.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Classification

CWE
CWE-693
Status published

Affected Products (4)

cisco/firepower_threat_defense
cisco/firepower_threat_defense
cisco/firepower_threat_defense
cisco/firepower_threat_defense

Timeline

Published May 17, 2018
Tracked Since Feb 18, 2026