CVE-2024-20351
Last modified
CVE-2024-20351 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability in the TCP/IP traffic handling function of the Snort Detection Engine of Cisco Firepower Threat Defense (FTD) Software and Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause legitimate network traffic to be dropped, resulting in a denial of service (DoS) condition. This vulnerability is due to the improper handling of TCP/IP network traffic. An attacker could exploit this vulnerability by sending a large amount of TCP/IP network traffic through the affected device. EPSS estimates a 0.73% chance of exploitation in the next 30 days.
Description
A vulnerability in the TCP/IP traffic handling function of the Snort Detection Engine of Cisco Firepower Threat Defense (FTD) Software and Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause legitimate network traffic to be dropped, resulting in a denial of service (DoS) condition. This vulnerability is due to the improper handling of TCP/IP network traffic. An attacker could exploit this vulnerability by sending a large amount of TCP/IP network traffic through the affected device. A successful exploit could allow the attacker to cause the Cisco FTD device to drop network traffic, resulting in a DoS condition. The affected device must be rebooted to resolve the DoS condition.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Secure Firewall Threat Defense | 6.2.3 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.1 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.2 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.3 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.4 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.5 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.6 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.7 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.8 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.9 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.10 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.11 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.12 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.13 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.14 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.15 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.16 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.17 |
| Cisco | Secure Firewall Threat Defense | 6.2.3.18 |
| Cisco | Secure Firewall Threat Defense | 6.4.0 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.1 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.2 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.3 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.4 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.5 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.6 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.7 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.8 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.9 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.10 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.11 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.12 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.13 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.14 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.15 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.16 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.17 |
| Cisco | Secure Firewall Threat Defense | 6.4.0.18 |
| Cisco | Secure Firewall Threat Defense | 6.6.0 |
| Cisco | Secure Firewall Threat Defense | 6.6.0.1 |
| Cisco | Secure Firewall Threat Defense | 6.6.1 |
| Cisco | Secure Firewall Threat Defense | 6.6.3 |
| Cisco | Secure Firewall Threat Defense | 6.6.4 |
| Cisco | Secure Firewall Threat Defense | 6.6.5 |
| Cisco | Secure Firewall Threat Defense | 6.6.5.1 |
| Cisco | Secure Firewall Threat Defense | 6.6.5.2 |
| Cisco | Secure Firewall Threat Defense | 6.6.7 |
| Cisco | Secure Firewall Threat Defense | 6.6.7.1 |
| Cisco | Secure Firewall Threat Defense | 6.6.7.2 |
| Cisco | Secure Firewall Threat Defense | 6.7.0 |
Showing 50 of 85 affected configurations. See NVD for the full list.
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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