Skip to content
fr Sign in
5.8 Medium

CVE-2022-20950 A vulnerability in the interaction of SIP and Snort 3 for Cisco Firepower Threat Defense (FTD) Software could allow an…

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.

Affected products and versions

Product Affected versions Fixed in
Cisco Firepower Threat Defense Software 7.2 7.2.0 → 7.2.0.1 No fix stated

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Cisco Firepower Threat Defense Software

The 162 CVEs of Cisco Firepower Threat Defense Software →
CVE-2025-20363 A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure… 9.0 Critical CVE-2025-20220 A vulnerability in the CLI of Cisco Secure Firewall Management Center (FMC) Software and Cisco Secure Firewall Threat… 6.0 Medium CVE-2025-20268 A vulnerability in the Geolocation-Based Remote Access (RA) VPN feature of Cisco Secure Firewall Threat Defense (FTD)… 5.8 Medium CVE-2025-20254 A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall Adaptive Security… 5.8 Medium
Track this CVE