CVE-2024-20407
First published: Wed Oct 23 2024(Updated: )
A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are not affected by this vulnerability. This vulnerability is due to a logic error when handling embryonic (half-open) TCP connections. An attacker could exploit this vulnerability by sending a crafted traffic pattern through an affected device. A successful exploit could allow unintended traffic to enter the network protected by the affected device.
Credit: ykramarz@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
Frequently Asked Questions
What is the severity of CVE-2024-20407?
CVE-2024-20407 has been rated as a high severity vulnerability due to its potential to allow unauthenticated remote attackers to bypass security policies.
How do I fix CVE-2024-20407?
To fix CVE-2024-20407, ensure that your Cisco Firepower Threat Defense Software is updated to the latest version that addresses this vulnerability.
Which products are affected by CVE-2024-20407?
CVE-2024-20407 affects Cisco Firepower Threat Defense (FTD) Software specifically when configured with Snort 3.
Can CVE-2024-20407 be exploited remotely?
Yes, CVE-2024-20407 can be exploited by remote attackers, making it imperative for organizations to secure their systems.
Is there a workaround for CVE-2024-20407?
Currently, the primary mitigation for CVE-2024-20407 is to apply the necessary software updates provided by Cisco.
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