🛡️ CVE-2022-20950
🟡 CVSS 5.8 — Medium ✅ No Known Exploit CWE-770 NVD
5.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability in the interaction of SIP and Snort 3 for Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to restart. This vulnerability is due to a lack of error-checking when SIP bidirectional flows are being inspected by Snort 3. An attacker could exploit this vulnerability by sending a stream of crafted SIP traffic through an interface on the targeted device. A successful exploit could allow the attacker to trigger a restart of the Snort 3 process, resulting in a denial of service (DoS) condition.

Details

Severity MEDIUM
CVSS Score 5.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
CWE CWE-770
Public Exploit ✅ No
Source NVD
Published 2022-11-15
Updated 2026-06-08
Modified 2024-11-21
Fix URL N/A

Affected Packages

Software From version Fixed in
firepower-threat-defense

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