8.6
/ 10
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Description
A vulnerability in the packet inspection functionality of the Snort 3 Detection Engine of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to incorrect processing of traffic that is inspected by an affected device. An attacker could exploit this vulnerability by sending crafted traffic through the affected device. A successful exploit could allow the attacker to cause the affected device to enter an infinite loop while inspecting traffic, resulting in a DoS condition. The system watchdog will restart the Snort process automatically.
This vulnerability is due to incorrect processing of traffic that is inspected by an affected device. An attacker could exploit this vulnerability by sending crafted traffic through the affected device. A successful exploit could allow the attacker to cause the affected device to enter an infinite loop while inspecting traffic, resulting in a DoS condition. The system watchdog will restart the Snort process automatically.
Basic Information
ID
CVE-2025-20217
Source
cisco
Published
Aug 14, 2025 at 16:28
Modified
Aug 14, 2025 at 19:21
Affected Product
Vendor
Cisco
Product
Cisco Firepower Threat Defense Software
Version
7.1.0
Affected Versions
Cisco Cisco Firepower Threat Defense Software 7.1.0
Cisco Cisco Firepower Threat Defense Software 7.1.0.1
Cisco Cisco Firepower Threat Defense Software 7.2.0
Cisco Cisco Firepower Threat Defense Software 7.1.0.2
Cisco Cisco Firepower Threat Defense Software 7.2.0.1
Cisco Cisco Firepower Threat Defense Software 7.2.1
Cisco Cisco Firepower Threat Defense Software 7.3.0
Cisco Cisco Firepower Threat Defense Software 7.2.2
Cisco Cisco Firepower Threat Defense Software 7.2.3
Cisco Cisco Firepower Threat Defense Software 7.3.1
Cisco Cisco Firepower Threat Defense Software 7.1.0.3
Cisco Cisco Firepower Threat Defense Software 7.2.4
Cisco Cisco Firepower Threat Defense Software 7.2.5
Cisco Cisco Firepower Threat Defense Software 7.2.4.1
Cisco Cisco Firepower Threat Defense Software 7.3.1.1
Cisco Cisco Firepower Threat Defense Software 7.4.0
Cisco Cisco Firepower Threat Defense Software 7.2.5.1
Cisco Cisco Firepower Threat Defense Software 7.4.1
Cisco Cisco Firepower Threat Defense Software 7.2.6
Cisco Cisco Firepower Threat Defense Software 7.4.1.1
Cisco Cisco Firepower Threat Defense Software 7.2.7
Cisco Cisco Firepower Threat Defense Software 7.2.5.2
Cisco Cisco Firepower Threat Defense Software 7.3.1.2
Cisco Cisco Firepower Threat Defense Software 7.2.8
Cisco Cisco Firepower Threat Defense Software 7.6.0
Cisco Cisco Firepower Threat Defense Software 7.4.2
Cisco Cisco Firepower Threat Defense Software 7.2.8.1
Cisco Cisco Firepower Threat Defense Software 7.4.2.1
Cisco Cisco Firepower Threat Defense Software 7.2.9
Cisco Cisco Firepower Threat Defense Software 7.1.0.1
Cisco Cisco Firepower Threat Defense Software 7.2.0
Cisco Cisco Firepower Threat Defense Software 7.1.0.2
Cisco Cisco Firepower Threat Defense Software 7.2.0.1
Cisco Cisco Firepower Threat Defense Software 7.2.1
Cisco Cisco Firepower Threat Defense Software 7.3.0
Cisco Cisco Firepower Threat Defense Software 7.2.2
Cisco Cisco Firepower Threat Defense Software 7.2.3
Cisco Cisco Firepower Threat Defense Software 7.3.1
Cisco Cisco Firepower Threat Defense Software 7.1.0.3
Cisco Cisco Firepower Threat Defense Software 7.2.4
Cisco Cisco Firepower Threat Defense Software 7.2.5
Cisco Cisco Firepower Threat Defense Software 7.2.4.1
Cisco Cisco Firepower Threat Defense Software 7.3.1.1
Cisco Cisco Firepower Threat Defense Software 7.4.0
Cisco Cisco Firepower Threat Defense Software 7.2.5.1
Cisco Cisco Firepower Threat Defense Software 7.4.1
Cisco Cisco Firepower Threat Defense Software 7.2.6
Cisco Cisco Firepower Threat Defense Software 7.4.1.1
Cisco Cisco Firepower Threat Defense Software 7.2.7
Cisco Cisco Firepower Threat Defense Software 7.2.5.2
Cisco Cisco Firepower Threat Defense Software 7.3.1.2
Cisco Cisco Firepower Threat Defense Software 7.2.8
Cisco Cisco Firepower Threat Defense Software 7.6.0
Cisco Cisco Firepower Threat Defense Software 7.4.2
Cisco Cisco Firepower Threat Defense Software 7.2.8.1
Cisco Cisco Firepower Threat Defense Software 7.4.2.1
Cisco Cisco Firepower Threat Defense Software 7.2.9