CVE-2024-20342

MEDIUM

Cisco Snort 3.0.0.0-3.1.73.0 & Firepower Threat Defense <7.0.6.2 Unauthenticated Rate Filter Bypass

Title source: llm
STIX 2.1

Description

Multiple Cisco products are affected by a vulnerability in the rate filtering feature of the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured rate limiting filter.&nbsp; This vulnerability is due to an incorrect connection count comparison. An attacker could exploit this vulnerability by sending traffic through an affected device at a rate that exceeds a configured rate filter. A successful exploit could allow the attacker to successfully bypass the rate filter. This could allow unintended traffic to enter the network protected by the affected device.

Scores

CVSS v3 5.8
EPSS 0.0005
EPSS Percentile 16.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-1025
Status published
Products (4)
cisco/firepower_threat_defense_software 7.1.0
cisco/firepower_threat_defense_software 7.3.0
cisco/firepower_threat_defense_software < 7.0.6.2
cisco/snort 3.0.0.0 - 3.1.74.0
Published Oct 23, 2024
Tracked Since Feb 18, 2026