8.6

CVE-2025-20217

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.

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Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerCisco
Produkt Cisco Firepower Threat Defense Software
Default Statusunknown
Version 7.1.0
Status affected
Version 7.1.0.1
Status affected
Version 7.2.0
Status affected
Version 7.1.0.2
Status affected
Version 7.2.0.1
Status affected
Version 7.2.1
Status affected
Version 7.3.0
Status affected
Version 7.2.2
Status affected
Version 7.2.3
Status affected
Version 7.3.1
Status affected
Version 7.1.0.3
Status affected
Version 7.2.4
Status affected
Version 7.2.5
Status affected
Version 7.2.4.1
Status affected
Version 7.3.1.1
Status affected
Version 7.4.0
Status affected
Version 7.2.5.1
Status affected
Version 7.4.1
Status affected
Version 7.2.6
Status affected
Version 7.4.1.1
Status affected
Version 7.2.7
Status affected
Version 7.2.5.2
Status affected
Version 7.3.1.2
Status affected
Version 7.2.8
Status affected
Version 7.6.0
Status affected
Version 7.4.2
Status affected
Version 7.2.8.1
Status affected
Version 7.4.2.1
Status affected
Version 7.2.9
Status affected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.362
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
psirt@cisco.com 8.6 3.9 4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.