CVE-2020-3191
8.6
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 4.0
Source: NVD
Description
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.
Affected (32)
Products: Cisco: Firepower Threat Defense, Asa 5505 Firmware, Asa 5510 Firmware, Asa 5512 X Firmware, Asa 5515 X Firmware, Asa 5520 Firmware, Asa 5525 X Firmware, Asa 5540 Firmware, Asa 5545 X Firmware, Asa 5550 Firmware, Asa 5555 X Firmware, Asa 5580 Firmware, Asa 5585 X Firmware, Adaptive Security Appliance Software
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| From 6.2.3 to 6.2.3.16 |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5505 | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5510 | All versions |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5512 X | All versions |
Configuration E
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5515 X | All versions |
Configuration F
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5520 | All versions |
Configuration G
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5525 X | All versions |
Configuration H
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5540 | All versions |
Configuration I
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5545 X | All versions |
Configuration J
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5550 | All versions |
Configuration K
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5555 X | All versions |
Configuration L
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5580 | All versions |
Configuration M
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.4(1) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5585 X | All versions |
Configuration N
| Vulnerable Software | Affected Versions |
|---|---|
| From 9.10 to 9.10.1.37 |
References (2)
Source: psirt@cisco.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Timeline
No history available yet.