Description


A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition.The vulnerability is due to a crash that occurs during a hash lookup for a SIP pinhole connection. An attacker could exploit this vulnerability by sending crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a crash and reload of the affected device.

Related CPE's


a

cisco

firepower_threat_defense

3

o

cisco

adaptive_security_appliance_software

6

Weaknesses



CWE-613


NVD-CWE-noinfo

CVSS impact metrics


CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

8.6 · High

Information


Source identifier

[email protected]

Vulnerability status

Modified

Published

2021-04-29T18:15:09.463Z

5 years ago

Last modified

2026-06-17T03:31:55.823Z

3 months ago