What is the severity of CVE-2024-20342?

CVE-2024-20342 is rated as a high-severity vulnerability due to its potential impact on network security.

How do I fix CVE-2024-20342?

To address CVE-2024-20342, update to the latest version of Cisco Firepower Threat Defense Software as per Cisco's recommendations.

What products are affected by CVE-2024-20342?

CVE-2024-20342 affects Cisco Firepower Threat Defense Software and Cisco Firepower Management Center.

Can CVE-2024-20342 be exploited remotely?

Yes, CVE-2024-20342 can be exploited by an unauthenticated, remote attacker.

What does the CVE-2024-20342 vulnerability involve?

CVE-2024-20342 involves a flaw in the rate filtering feature of the Snort detection engine allowing attackers to bypass rate limiting.

Vulnerability/
CVE-2024-20342

medium

5.8

CWE

1025

23/10/2024

13/1/2025

CVE-2024-20342: Cisco Firepower Threat Defense Software Rate Filter Bypass Vulnerability

First published: Wed Oct 23 2024(Updated: )

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.  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.

Credit: psirt@cisco.com

Affected Software	Affected Version	How to fix
Cisco Firepower Management Center (FMC) and Firepower Threat Defense (FTD) Software

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Reference Links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-rf-bypass-OY8f3pnM

Frequently Asked Questions

What is the severity of CVE-2024-20342?
CVE-2024-20342 is rated as a high-severity vulnerability due to its potential impact on network security.
How do I fix CVE-2024-20342?
To address CVE-2024-20342, update to the latest version of Cisco Firepower Threat Defense Software as per Cisco's recommendations.
What products are affected by CVE-2024-20342?
CVE-2024-20342 affects Cisco Firepower Threat Defense Software and Cisco Firepower Management Center.
Can CVE-2024-20342 be exploited remotely?
Yes, CVE-2024-20342 can be exploited by an unauthenticated, remote attacker.
What does the CVE-2024-20342 vulnerability involve?
CVE-2024-20342 involves a flaw in the rate filtering feature of the Snort detection engine allowing attackers to bypass rate limiting.

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