CWE
787 122
Advisory Published
Updated

CVE-2023-20081: Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability

First published: Thu Mar 23 2023(Updated: )

A vulnerability in the IPv6 DHCP (DHCPv6) client module of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of DHCPv6 messages. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Note: To successfully exploit this vulnerability, the attacker would need to either control the DHCPv6 server or be in a man-in-the-middle position.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Adaptive Security Appliance Software=9.8.1
Cisco Adaptive Security Appliance Software=9.8.1.5
Cisco Adaptive Security Appliance Software=9.8.1.7
Cisco Adaptive Security Appliance Software=9.8.2
Cisco Adaptive Security Appliance Software=9.8.2.8
Cisco Adaptive Security Appliance Software=9.8.2.14
Cisco Adaptive Security Appliance Software=9.8.2.15
Cisco Adaptive Security Appliance Software=9.8.2.17
Cisco Adaptive Security Appliance Software=9.8.2.20
Cisco Adaptive Security Appliance Software=9.8.2.24
Cisco Adaptive Security Appliance Software=9.8.2.26
Cisco Adaptive Security Appliance Software=9.8.2.28
Cisco Adaptive Security Appliance Software=9.8.2.33
Cisco Adaptive Security Appliance Software=9.8.2.35
Cisco Adaptive Security Appliance Software=9.8.2.38
Cisco Adaptive Security Appliance Software=9.8.2.45
Cisco Adaptive Security Appliance Software=9.8.3
Cisco Adaptive Security Appliance Software=9.8.3.8
Cisco Adaptive Security Appliance Software=9.8.3.11
Cisco Adaptive Security Appliance Software=9.8.3.14
Cisco Adaptive Security Appliance Software=9.8.3.16
Cisco Adaptive Security Appliance Software=9.8.3.18
Cisco Adaptive Security Appliance Software=9.8.3.21
Cisco Adaptive Security Appliance Software=9.8.3.26
Cisco Adaptive Security Appliance Software=9.8.3.29
Cisco Adaptive Security Appliance Software=9.8.4
Cisco Adaptive Security Appliance Software=9.8.4.3
Cisco Adaptive Security Appliance Software=9.8.4.7
Cisco Adaptive Security Appliance Software=9.8.4.8
Cisco Adaptive Security Appliance Software=9.8.4.10
Cisco Adaptive Security Appliance Software=9.8.4.12
Cisco Adaptive Security Appliance Software=9.8.4.15
Cisco Adaptive Security Appliance Software=9.8.4.17
Cisco Adaptive Security Appliance Software=9.8.4.20
Cisco Adaptive Security Appliance Software=9.8.4.22
Cisco Adaptive Security Appliance Software=9.8.4.25
Cisco Adaptive Security Appliance Software=9.8.4.26
Cisco Adaptive Security Appliance Software=9.8.4.29
Cisco Adaptive Security Appliance Software=9.8.4.32
Cisco Adaptive Security Appliance Software=9.8.4.33
Cisco Adaptive Security Appliance Software=9.8.4.34
Cisco Adaptive Security Appliance Software=9.8.4.35
Cisco Adaptive Security Appliance Software=9.8.4.39
Cisco Adaptive Security Appliance Software=9.8.4.40
Cisco Adaptive Security Appliance Software=9.8.4.41
Cisco Adaptive Security Appliance Software=9.8.4.43
Cisco Adaptive Security Appliance Software=9.8.4.44
Cisco Adaptive Security Appliance Software=9.8.4.45
Cisco Adaptive Security Appliance Software=9.9.1
Cisco Adaptive Security Appliance Software=9.9.1.2
Cisco Adaptive Security Appliance Software=9.9.1.3
Cisco Adaptive Security Appliance Software=9.9.1.4
Cisco Adaptive Security Appliance Software=9.9.1.5
Cisco Adaptive Security Appliance Software=9.9.2
Cisco Adaptive Security Appliance Software=9.9.2.1
Cisco Adaptive Security Appliance Software=9.9.2.9
Cisco Adaptive Security Appliance Software=9.9.2.14
Cisco Adaptive Security Appliance Software=9.9.2.18
Cisco Adaptive Security Appliance Software=9.9.2.25
Cisco Adaptive Security Appliance Software=9.9.2.27
Cisco Adaptive Security Appliance Software=9.9.2.32
Cisco Adaptive Security Appliance Software=9.9.2.36
Cisco Adaptive Security Appliance Software=9.9.2.40
Cisco Adaptive Security Appliance Software=9.9.2.47
Cisco Adaptive Security Appliance Software=9.9.2.50
Cisco Adaptive Security Appliance Software=9.9.2.52
Cisco Adaptive Security Appliance Software=9.9.2.56
Cisco Adaptive Security Appliance Software=9.9.2.59
Cisco Adaptive Security Appliance Software=9.9.2.61
Cisco Adaptive Security Appliance Software=9.9.2.66
Cisco Adaptive Security Appliance Software=9.9.2.67
Cisco Adaptive Security Appliance Software=9.9.2.74
Cisco Adaptive Security Appliance Software=9.9.2.80
Cisco Adaptive Security Appliance Software=9.9.2.83
Cisco Adaptive Security Appliance Software=9.9.2.85
Cisco Adaptive Security Appliance Software=9.9.2.235
Cisco Adaptive Security Appliance Software=9.10.1
Cisco Adaptive Security Appliance Software=9.10.1.2
Cisco Adaptive Security Appliance Software=9.10.1.7
Cisco Adaptive Security Appliance Software=9.10.1.10
Cisco Adaptive Security Appliance Software=9.10.1.11
Cisco Adaptive Security Appliance Software=9.10.1.17
Cisco Adaptive Security Appliance Software=9.10.1.22
Cisco Adaptive Security Appliance Software=9.10.1.27
Cisco Adaptive Security Appliance Software=9.10.1.30
Cisco Adaptive Security Appliance Software=9.10.1.32
Cisco Adaptive Security Appliance Software=9.10.1.37
Cisco Adaptive Security Appliance Software=9.10.1.40
Cisco Adaptive Security Appliance Software=9.10.1.42
Cisco Adaptive Security Appliance Software=9.10.1.44
Cisco Adaptive Security Appliance Software=9.12.1
Cisco Adaptive Security Appliance Software=9.12.1.2
Cisco Adaptive Security Appliance Software=9.12.1.3
Cisco Adaptive Security Appliance Software=9.12.2
Cisco Adaptive Security Appliance Software=9.12.2.1
Cisco Adaptive Security Appliance Software=9.12.2.4
Cisco Adaptive Security Appliance Software=9.12.2.5
Cisco Adaptive Security Appliance Software=9.12.2.9
Cisco Adaptive Security Appliance Software=9.12.3
Cisco Adaptive Security Appliance Software=9.12.3.2
Cisco Adaptive Security Appliance Software=9.12.3.7
Cisco Adaptive Security Appliance Software=9.12.3.9
Cisco Adaptive Security Appliance Software=9.12.3.12
Cisco Adaptive Security Appliance Software=9.12.4
Cisco Adaptive Security Appliance Software=9.12.4.2
Cisco Adaptive Security Appliance Software=9.12.4.4
Cisco Adaptive Security Appliance Software=9.12.4.7
Cisco Adaptive Security Appliance Software=9.12.4.8
Cisco Adaptive Security Appliance Software=9.12.4.10
Cisco Adaptive Security Appliance Software=9.12.4.13
Cisco Adaptive Security Appliance Software=9.12.4.18
Cisco Adaptive Security Appliance Software=9.12.4.24
Cisco Adaptive Security Appliance Software=9.12.4.26
Cisco Adaptive Security Appliance Software=9.12.4.29
Cisco Adaptive Security Appliance Software=9.12.4.30
Cisco Adaptive Security Appliance Software=9.12.4.35
Cisco Adaptive Security Appliance Software=9.12.4.37
Cisco Adaptive Security Appliance Software=9.13.1
Cisco Adaptive Security Appliance Software=9.13.1.2
Cisco Adaptive Security Appliance Software=9.13.1.7
Cisco Adaptive Security Appliance Software=9.13.1.10
Cisco Adaptive Security Appliance Software=9.13.1.12
Cisco Adaptive Security Appliance Software=9.13.1.13
Cisco Adaptive Security Appliance Software=9.13.1.16
Cisco Adaptive Security Appliance Software=9.13.1.19
Cisco Adaptive Security Appliance Software=9.13.1.21
Cisco Adaptive Security Appliance Software=9.14.1
Cisco Adaptive Security Appliance Software=9.14.1.6
Cisco Adaptive Security Appliance Software=9.14.1.10
Cisco Adaptive Security Appliance Software=9.14.1.15
Cisco Adaptive Security Appliance Software=9.14.1.19
Cisco Adaptive Security Appliance Software=9.14.1.30
Cisco Adaptive Security Appliance Software=9.14.2
Cisco Adaptive Security Appliance Software=9.14.2.4
Cisco Adaptive Security Appliance Software=9.14.2.8
Cisco Adaptive Security Appliance Software=9.14.2.13
Cisco Adaptive Security Appliance Software=9.14.2.15
Cisco Adaptive Security Appliance Software=9.14.3
Cisco Adaptive Security Appliance Software=9.14.3.1
Cisco Adaptive Security Appliance Software=9.14.3.9
Cisco Adaptive Security Appliance Software=9.14.3.11
Cisco Adaptive Security Appliance Software=9.14.3.13
Cisco Adaptive Security Appliance Software=9.14.3.15
Cisco Adaptive Security Appliance Software=9.14.3.18
Cisco Adaptive Security Appliance Software=9.15.1
Cisco Adaptive Security Appliance Software=9.15.1.1
Cisco Adaptive Security Appliance Software=9.15.1.7
Cisco Adaptive Security Appliance Software=9.15.1.10
Cisco Adaptive Security Appliance Software=9.15.1.15
Cisco Adaptive Security Appliance Software=9.15.1.16
Cisco Adaptive Security Appliance Software=9.15.1.17
Cisco Adaptive Security Appliance Software=9.15.1.21
Cisco Adaptive Security Appliance Software=9.16.1
Cisco Adaptive Security Appliance Software=9.16.1.28
Cisco Adaptive Security Appliance Software=9.16.2
Cisco Adaptive Security Appliance Software=9.16.2.3
Cisco Adaptive Security Appliance Software=9.16.2.7
Cisco Adaptive Security Appliance Software=9.16.2.11
Cisco Adaptive Security Appliance Software=9.17.1
Cisco Secure Firewall Threat Defense=9.8.1
Cisco Secure Firewall Threat Defense=9.8.1.5
Cisco Secure Firewall Threat Defense=9.8.1.7
Cisco Secure Firewall Threat Defense=9.8.2
Cisco Secure Firewall Threat Defense=9.8.2.8
Cisco Secure Firewall Threat Defense=9.8.2.14
Cisco Secure Firewall Threat Defense=9.8.2.15
Cisco Secure Firewall Threat Defense=9.8.2.17
Cisco Secure Firewall Threat Defense=9.8.2.20
Cisco Secure Firewall Threat Defense=9.8.2.24
Cisco Secure Firewall Threat Defense=9.8.2.26
Cisco Secure Firewall Threat Defense=9.8.2.28
Cisco Secure Firewall Threat Defense=9.8.2.33
Cisco Secure Firewall Threat Defense=9.8.2.35
Cisco Secure Firewall Threat Defense=9.8.2.38
Cisco Secure Firewall Threat Defense=9.8.2.45
Cisco Secure Firewall Threat Defense=9.8.3
Cisco Secure Firewall Threat Defense=9.8.3.8
Cisco Secure Firewall Threat Defense=9.8.3.11
Cisco Secure Firewall Threat Defense=9.8.3.14
Cisco Secure Firewall Threat Defense=9.8.3.16
Cisco Secure Firewall Threat Defense=9.8.3.18
Cisco Secure Firewall Threat Defense=9.8.3.21
Cisco Secure Firewall Threat Defense=9.8.3.26
Cisco Secure Firewall Threat Defense=9.8.3.29
Cisco Secure Firewall Threat Defense=9.8.4
Cisco Secure Firewall Threat Defense=9.8.4.3
Cisco Secure Firewall Threat Defense=9.8.4.7
Cisco Secure Firewall Threat Defense=9.8.4.8
Cisco Secure Firewall Threat Defense=9.8.4.10
Cisco Secure Firewall Threat Defense=9.8.4.12
Cisco Secure Firewall Threat Defense=9.8.4.15
Cisco Secure Firewall Threat Defense=9.8.4.17
Cisco Secure Firewall Threat Defense=9.8.4.20
Cisco Secure Firewall Threat Defense=9.8.4.22
Cisco Secure Firewall Threat Defense=9.8.4.25
Cisco Secure Firewall Threat Defense=9.8.4.26
Cisco Secure Firewall Threat Defense=9.8.4.29
Cisco Secure Firewall Threat Defense=9.8.4.32
Cisco Secure Firewall Threat Defense=9.8.4.33
Cisco Secure Firewall Threat Defense=9.8.4.34
Cisco Secure Firewall Threat Defense=9.8.4.35
Cisco Secure Firewall Threat Defense=9.8.4.39
Cisco Secure Firewall Threat Defense=9.8.4.40
Cisco Secure Firewall Threat Defense=9.8.4.41
Cisco Secure Firewall Threat Defense=9.8.4.43
Cisco Secure Firewall Threat Defense=9.8.4.44
Cisco Secure Firewall Threat Defense=9.8.4.45
Cisco Secure Firewall Threat Defense=9.9.1
Cisco Secure Firewall Threat Defense=9.9.1.2
Cisco Secure Firewall Threat Defense=9.9.1.3
Cisco Secure Firewall Threat Defense=9.9.1.4
Cisco Secure Firewall Threat Defense=9.9.1.5
Cisco Secure Firewall Threat Defense=9.9.2
Cisco Secure Firewall Threat Defense=9.9.2.1
Cisco Secure Firewall Threat Defense=9.9.2.9
Cisco Secure Firewall Threat Defense=9.9.2.14
Cisco Secure Firewall Threat Defense=9.9.2.18
Cisco Secure Firewall Threat Defense=9.9.2.25
Cisco Secure Firewall Threat Defense=9.9.2.27
Cisco Secure Firewall Threat Defense=9.9.2.32
Cisco Secure Firewall Threat Defense=9.9.2.36
Cisco Secure Firewall Threat Defense=9.9.2.40
Cisco Secure Firewall Threat Defense=9.9.2.47
Cisco Secure Firewall Threat Defense=9.9.2.50
Cisco Secure Firewall Threat Defense=9.9.2.52
Cisco Secure Firewall Threat Defense=9.9.2.56
Cisco Secure Firewall Threat Defense=9.9.2.59
Cisco Secure Firewall Threat Defense=9.9.2.61
Cisco Secure Firewall Threat Defense=9.9.2.66
Cisco Secure Firewall Threat Defense=9.9.2.67
Cisco Secure Firewall Threat Defense=9.9.2.74
Cisco Secure Firewall Threat Defense=9.9.2.80
Cisco Secure Firewall Threat Defense=9.9.2.83
Cisco Secure Firewall Threat Defense=9.9.2.85
Cisco Secure Firewall Threat Defense=9.9.2.235
Cisco Secure Firewall Threat Defense=9.10.1
Cisco Secure Firewall Threat Defense=9.10.1.2
Cisco Secure Firewall Threat Defense=9.10.1.7
Cisco Secure Firewall Threat Defense=9.10.1.10
Cisco Secure Firewall Threat Defense=9.10.1.11
Cisco Secure Firewall Threat Defense=9.10.1.17
Cisco Secure Firewall Threat Defense=9.10.1.22
Cisco Secure Firewall Threat Defense=9.10.1.27
Cisco Secure Firewall Threat Defense=9.10.1.30
Cisco Secure Firewall Threat Defense=9.10.1.32
Cisco Secure Firewall Threat Defense=9.10.1.37
Cisco Secure Firewall Threat Defense=9.10.1.40
Cisco Secure Firewall Threat Defense=9.10.1.42
Cisco Secure Firewall Threat Defense=9.10.1.44
Cisco Secure Firewall Threat Defense=9.12.1
Cisco Secure Firewall Threat Defense=9.12.1.2
Cisco Secure Firewall Threat Defense=9.12.1.3
Cisco Secure Firewall Threat Defense=9.12.2
Cisco Secure Firewall Threat Defense=9.12.2.1
Cisco Secure Firewall Threat Defense=9.12.2.4
Cisco Secure Firewall Threat Defense=9.12.2.5
Cisco Secure Firewall Threat Defense=9.12.2.9
Cisco Secure Firewall Threat Defense=9.12.3
Cisco Secure Firewall Threat Defense=9.12.3.2
Cisco Secure Firewall Threat Defense=9.12.3.7
Cisco Secure Firewall Threat Defense=9.12.3.9
Cisco Secure Firewall Threat Defense=9.12.3.12
Cisco Secure Firewall Threat Defense=9.12.4
Cisco Secure Firewall Threat Defense=9.12.4.2
Cisco Secure Firewall Threat Defense=9.12.4.4
Cisco Secure Firewall Threat Defense=9.12.4.7
Cisco Secure Firewall Threat Defense=9.12.4.8
Cisco Secure Firewall Threat Defense=9.12.4.10
Cisco Secure Firewall Threat Defense=9.12.4.13
Cisco Secure Firewall Threat Defense=9.12.4.18
Cisco Secure Firewall Threat Defense=9.12.4.24
Cisco Secure Firewall Threat Defense=9.12.4.26
Cisco Secure Firewall Threat Defense=9.12.4.29
Cisco Secure Firewall Threat Defense=9.12.4.30
Cisco Secure Firewall Threat Defense=9.12.4.35
Cisco Secure Firewall Threat Defense=9.12.4.37
Cisco Secure Firewall Threat Defense=9.13.1
Cisco Secure Firewall Threat Defense=9.13.1.2
Cisco Secure Firewall Threat Defense=9.13.1.7
Cisco Secure Firewall Threat Defense=9.13.1.10
Cisco Secure Firewall Threat Defense=9.13.1.12
Cisco Secure Firewall Threat Defense=9.13.1.13
Cisco Secure Firewall Threat Defense=9.13.1.16
Cisco Secure Firewall Threat Defense=9.13.1.19
Cisco Secure Firewall Threat Defense=9.13.1.21
Cisco Secure Firewall Threat Defense=9.14.1
Cisco Secure Firewall Threat Defense=9.14.1.6
Cisco Secure Firewall Threat Defense=9.14.1.10
Cisco Secure Firewall Threat Defense=9.14.1.15
Cisco Secure Firewall Threat Defense=9.14.1.19
Cisco Secure Firewall Threat Defense=9.14.1.30
Cisco Secure Firewall Threat Defense=9.14.2
Cisco Secure Firewall Threat Defense=9.14.2.4
Cisco Secure Firewall Threat Defense=9.14.2.8
Cisco Secure Firewall Threat Defense=9.14.2.13
Cisco Secure Firewall Threat Defense=9.14.2.15
Cisco Secure Firewall Threat Defense=9.14.3
Cisco Secure Firewall Threat Defense=9.14.3.1
Cisco Secure Firewall Threat Defense=9.14.3.9
Cisco Secure Firewall Threat Defense=9.14.3.11
Cisco Secure Firewall Threat Defense=9.14.3.13
Cisco Secure Firewall Threat Defense=9.14.3.15
Cisco Secure Firewall Threat Defense=9.14.3.18
Cisco Secure Firewall Threat Defense=9.15.1
Cisco Secure Firewall Threat Defense=9.15.1.1
Cisco Secure Firewall Threat Defense=9.15.1.7
Cisco Secure Firewall Threat Defense=9.15.1.10
Cisco Secure Firewall Threat Defense=9.15.1.15
Cisco Secure Firewall Threat Defense=9.15.1.16
Cisco Secure Firewall Threat Defense=9.15.1.17
Cisco Secure Firewall Threat Defense=9.15.1.21
Cisco Secure Firewall Threat Defense=9.16.1
Cisco Secure Firewall Threat Defense=9.16.1.28
Cisco Secure Firewall Threat Defense=9.16.2
Cisco Secure Firewall Threat Defense=9.16.2.3
Cisco Secure Firewall Threat Defense=9.16.2.7
Cisco Secure Firewall Threat Defense=9.16.2.11
Cisco Secure Firewall Threat Defense=9.17.1
Cisco IOS=17.8.1
Cisco IOS XE=17.8.1
Cisco 1100-4g/6g Integrated Services Router
Cisco 1109-4p Integrated Services Router
Cisco 1100 Integrated Services Router
Cisco 1100 Integrated Services Router
Cisco 1101 Integrated Services Router
Cisco IR 1101
Cisco 1109 Integrated Services Router
Cisco 1109-4p
Cisco 1109 Integrated Services Router
Cisco 1111x-8p
Cisco 111x Integrated Services Router
Cisco 111x Integrated Services Router
Cisco 1120 Integrated Services Router
Cisco 1131 Integrated Services Router
Cisco 1160 Integrated Services Router
Cisco 4000 Series Integrated Services Routers
Cisco 4221 Integrated Services Router
Cisco 4321/k9-ws Integrated Services Router
Cisco 4331/k9 Integrated Services Router
Cisco 4351/k9-rf Integrated Services Router
Cisco 4431 Integrated Services Router
Cisco 4451-X Integrated Services Router
Cisco 4451-X Integrated Services Router
Cisco 4441 Integrated Services Router
Cisco 8101-32h
Cisco 8101-32H
Cisco 8102-64h
Cisco 8201
Cisco 8201
Cisco 8202
Cisco 8800 12-slot
Cisco 8800 18-slot
Cisco 8800 4-slot
Cisco 8800 8-slot
Cisco 8804
Cisco 8808
Cisco 8812
Cisco 8818
Cisco 8831 Firmware
Cisco ASR 1000 Series
Cisco ASR 1000 Series
Cisco ASR 1000 Series
Cisco ASR 1000 ESP 200
Cisco ASR 1000 series software
Cisco ASR 1001
Cisco ASR 1001
Cisco ASR 1001-X
Cisco ASR 1001-X
Cisco ASR 1002 Fixed Router
Cisco ASR 1002 Fixed Router
Cisco ASR 1002-HX
Cisco ASR 1002-X
Cisco ASR 1002-X
Cisco ASR 1004
Cisco ASR 1006
Cisco ASR 1006-X
Cisco ASR 1009-X
Cisco ASR 1013
Cisco ASR 1023 Router
Cisco ASR 900 Series firmware
Cisco ASR 9000v
Cisco ASR 9000 Series
Cisco ASR 9000 Series=v2
Cisco ASR 9001
Cisco ASR 9006 Router
Cisco ASR 9010 Router
Cisco ASR 902
Cisco ASR 902U
Cisco ASR 903 Aggregation Services Router
Cisco ASR 907
Cisco Catalyst 3650-24TD-E
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650-12X48UR
Cisco Catalyst 3650
Cisco Catalyst 3650-12X48UR-L
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650-12x48UZ-L
Cisco Catalyst 3650-12x48uz-s
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650-24PD-S
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650-24PS-L
Cisco Catalyst 3650-24PS
Cisco Catalyst 3650-24TD-E
Cisco Catalyst 3650
Cisco Catalyst 3650-24TD Switch
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650-48FQ-L
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650-48FQM Switch
Cisco Catalyst 3650
Cisco Catalyst 3650-48FQM Switch
Cisco Catalyst 3650 Series Switch
Cisco Catalyst 3650 Series Switch WS-C3650-48FS
Cisco Catalyst 3650 Series Switch WS-C3650-48FS
Cisco Catalyst 3650-48PD-E
Cisco Catalyst 3650-48PD
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650-48PQ-L
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650-48PS-L
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650 Series
Cisco Catalyst 3650-48TQ-S
Cisco Catalyst 3650-48TS Switch
Cisco Catalyst 3650-48TS Switch
Cisco Catalyst 3650-48TS Switch
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650
Cisco Catalyst 3650-8X24UQ
Cisco Catalyst 3650
Cisco Catalyst 3650-8X24UQ
Cisco Catalyst 3650-8X24UQ
Cisco Catalyst 3850 Series
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850-12X48U-E
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850 Series
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 9300-24s-e Firmware
Cisco Catalyst 3850-24S-S
Cisco Catalyst 3850
Cisco Catalyst 3850-24T-L
Cisco Catalyst 3850-24T-S
Cisco Catalyst 3850-24U
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850-24XS
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850 Series
Cisco Catalyst 3850 48 Port PoE Switch
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850 Series
Cisco Catalyst 3850 48 Port PoE Switch
Cisco Catalyst 3850-48T-E
Cisco Catalyst 3850
Cisco Catalyst 3850 Series
Cisco Catalyst 3850
Cisco Catalyst 3850-48U-E
Cisco Catalyst 3850-48U
Cisco Catalyst 3850-48U
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850-48XS
Cisco Catalyst 3850-48XS
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco Catalyst 3850
Cisco c8200l-1n-4t
Cisco Catalyst 8300
Cisco Catalyst 8300
Cisco Catalyst 8300
Cisco Catalyst 8300
Cisco Catalyst 8500
Cisco Catalyst 8500
Cisco Catalyst 8510 CSR
Cisco Catalyst 8510 MSR
Cisco Catalyst 8540 CSR
Cisco Catalyst 8540MSR
Cisco Catalyst 9200CX
Cisco Catalyst 9200CX
Cisco Catalyst 9200 Series
Cisco Catalyst C9300-24P
Cisco Catalyst 9300-24p-a Firmware
Cisco Catalyst 9300-24p-e Firmware
Cisco Catalyst 9300-24s-a Firmware
Cisco Catalyst 9300-24s-e Firmware
Cisco Catalyst 9300-24T-A Firmware
Cisco Catalyst 9300-24t-e Firmware
Cisco Catalyst 9300-24u-a Firmware
Cisco Catalyst 9300-24u-e Firmware
Cisco Catalyst 9300-24ux-a Firmware
Cisco Catalyst 9300-24ux-e Firmware
Cisco Catalyst 9300-48p-a Firmware
Cisco Catalyst 9300-48p-e Firmware
Cisco Catalyst 9300-48s-a Firmware
Cisco Catalyst 9300-48s-e Firmware
Cisco Catalyst 9300-48T-A Firmware
Cisco Catalyst 9300-48t-e Firmware
Cisco Catalyst 9300-48U-A Firmware
Cisco Catalyst 9300-48u-e Firmware
Cisco Catalyst 9300-48un-a Firmware
Cisco Catalyst 9300-48un-e Firmware
Cisco Catalyst 9300-48UXM-A Firmware
Cisco Catalyst 9300-48uxm-e Firmware
Cisco Catalyst 9300l Firmware
Cisco Catalyst 9300L-24P-4G-A Firmware
Cisco Catalyst 9300l-24p-4g-e Firmware
Cisco Catalyst 9300L-24P-4X-A Firmware
Cisco Catalyst 9300L-48P-4X-E Firmware
Cisco Catalyst 9300l-24t-4g-a Firmware
Cisco Catalyst 9300L-24T-4G-E Firmware
Cisco Catalyst 9300L-24T-4X-A Firmware
Cisco Catalyst 9300L-24T-4X-E Firmware
Cisco Catalyst 9300L-48P-4G-A Firmware
Cisco Catalyst 9300l-48p-4g-e Firmware
Cisco Catalyst 9300l-48p-4x-a Firmware
Cisco Catalyst 9300L-48P-4X-E Firmware
Cisco Catalyst 9300l-48t-4g-a Firmware
Cisco Catalyst 9300l-48t-4g-e Firmware
Cisco Catalyst 9300l-48t-4x-a Firmware
Cisco Catalyst 9300L-48T-4X-E Firmware
Cisco Catalyst 9300L Stack
Cisco Catalyst 9300lm Firmware
Cisco Catalyst 9300x Firmware
Cisco Catalyst 9400
Cisco Catalyst 9400 Supervisor Engine-1
Cisco Catalyst 9407R
Cisco Catalyst C9410R
Cisco Catalyst C9500
Cisco Catalyst 9500
Cisco Catalyst 9600 Series
Cisco Catalyst 9600 Supervisor Engine-1
Cisco Catalyst 9600
Cisco Catalyst 9800 Firmware
Cisco Catalyst 9800-40
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family
Cisco Catalyst 9800-80
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family
Cisco Catalyst 9800-CL Firmware
Cisco Catalyst 9800-L
Cisco Catalyst 9800-L
Cisco Catalyst 9800-L
Cisco Embedded Wireless Controller with Catalyst Access Points Software
Cisco cBR-8 Converged Broadband Router
Cisco Catalyst CG418-E
Cisco CG522-E
Cisco Cloud Services Router 1000V
Cisco ESR6300 Embedded Series Routers
Cisco ESR6300 Embedded Series Routers
Cisco ESS-3300-24T-CON-A
Cisco ESS 3300
Cisco ESS 3300-NCP-A
Cisco ESS-3300
Cisco ESS 3300
Cisco ESS 3300 CON E
Cisco ESS-3300-24T-NCP-A
Cisco ESS 3300 NCP-E
Cisco ESS9300-10X-E
Cisco Industrial Ethernet 3200 Series Switches
Cisco IE-3200-8P2S-E
Cisco IE-3300-8P2S-A
Cisco Industrial Ethernet 3300 Series Switches
Cisco IE-3300-8T2X-A
Cisco IE 3300-8T2S-E
Cisco IE-3300
Cisco IE-3300-8U2X-E
Cisco IE-3300-8U2X-A
Cisco IEM-3300
Cisco IE-3400-8P2S-A
Cisco IE 3400-8P2S-E
Cisco IE-3400-8T2S-A
Cisco IE 3400 Series Switches
Cisco IE-9310-26S2C
Cisco IE 9320-26S2C
Cisco Integrated Services Virtual Router Firmware

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Frequently Asked Questions

  • What is the severity of CVE-2023-20081?

    The severity of CVE-2023-20081 is rated as high.

  • How do I fix CVE-2023-20081?

    To fix CVE-2023-20081, users should upgrade their Cisco Adaptive Security Appliance or Firepower Threat Defense software to the latest version that addresses the vulnerability.

  • What software versions are affected by CVE-2023-20081?

    CVE-2023-20081 affects multiple versions of Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, and Cisco IOS/IOS XE Software.

  • What are the potential impacts of CVE-2023-20081?

    CVE-2023-20081 allows an unauthenticated, remote attacker to cause a denial of service (DoS) condition.

  • Can CVE-2023-20081 be exploited remotely?

    Yes, CVE-2023-20081 can be exploited by an unauthenticated remote attacker.

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