8.6

CVE-2020-3191

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software IPv6 DNS Denial of Service Vulnerability

A vulnerability in DNS over IPv6 packet processing for Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to unexpectedly reload, resulting in a denial of service (DoS) condition. The vulnerability is due to improper length validation of a field in an IPv6 DNS packet. An attacker could exploit this vulnerability by sending a crafted DNS query over IPv6, which traverses the affected device. An exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. This vulnerability is specific to DNS over IPv6 traffic only.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cisco ≫ Secure Firewall Threat Defense Version >= 6.2.3 < 6.2.3.16
Cisco ≫ Secure Firewall Threat Defense Version >= 6.3.0 < 6.3.0.6
Cisco ≫ Secure Firewall Threat Defense Version >= 6.4.0 < 6.4.0.6
Cisco ≫ Adaptive Security Appliance Software Version >= 9.6 < 9.6.4.36
Cisco ≫ Adaptive Security Appliance Software Version >= 9.8 < 9.8.4.12
Cisco ≫ Adaptive Security Appliance Software Version >= 9.9 < 9.9.2.66
Cisco ≫ Adaptive Security Appliance Software Version >= 9.10 < 9.10.1.37
Cisco ≫ Adaptive Security Appliance Software Version >= 9.12 < 9.12.2.9
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.82% 0.759
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.6 3.9 4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
Cisco PSIRT 8.6 3.9 4
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ipv6-67pA658k
Vendor Advisory