7.8

CVE-2020-3555

A vulnerability in the SIP inspection process 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 watchdog timeout and crash during the cleanup of threads that are associated with a SIP connection that is being deleted from the connection list. An attacker could exploit this vulnerability by sending a high rate of crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a watchdog timeout and crash, resulting in a crash and reload of the affected device.

Data is provided by the National Vulnerability Database (NVD)
Cisco ≫ Adaptive Security Appliance Version < 9.6.4.43
Cisco ≫ Firepower Threat Defense Version <= 6.2.2
Cisco ≫ Firepower Threat Defense Version >= 6.3.0 < 6.3.0.6
Cisco ≫ Firepower Threat Defense Version >= 6.4.0 < 6.4.0.10
Cisco ≫ Firepower Threat Defense Version >= 6.5.0 < 6.5.0.5
Cisco ≫ Firepower Threat Defense Version6.6.0
Cisco ≫ Adaptive Security Appliance Software Version >= 9.7.0 < 9.8.4.24
Cisco ≫ Adaptive Security Appliance Software Version >= 9.9.0 < 9.9.2.80
Cisco ≫ Adaptive Security Appliance Software Version >= 9.10.0 < 9.10.1.43
Cisco ≫ Adaptive Security Appliance Software Version >= 9.12.0 < 9.12.4.2
Cisco ≫ Adaptive Security Appliance Software Version >= 9.13.0 < 9.13.1.13
Cisco ≫ Adaptive Security Appliance Software Version >= 9.14.0 < 9.14.1.19
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.6% 0.668
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 7.8 10 6.9
AV:N/AC:L/Au:N/C:N/I:N/A:C
psirt@cisco.com 6.8 2.2 4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE-404 Improper Resource Shutdown or Release

The product does not release or incorrectly releases a resource before it is made available for re-use.