A vulnerability in the Split DNS feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability occurs because the regular expression (regex) engine that is used with the Split DNS feature of affected releases may time out when it processes the DNS name list configuration. An attacker could exploit this vulnerability by trying to resolve an address or hostname that the affected device handles. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
References
Configurations
Configuration 1 (hide)
AND |
|
History
21 Nov 2024, 05:30
Type | Values Removed | Values Added |
---|---|---|
References | () https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-splitdns-SPWqpdGW - Vendor Advisory |
23 May 2023, 13:55
Type | Values Removed | Values Added |
---|---|---|
First Time |
Cisco 1100-lte Integrated Services Router
Cisco 1100-6g Integrated Services Router Cisco 1100-4gltena Integrated Services Router Cisco 1100 Integrated Services Router Cisco 1100-4gltegb Integrated Services Router Cisco 1100-4g Integrated Services Router |
|
CPE | cpe:2.3:h:cisco:isr1100-6g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100-lte:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100-4gltegb:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100-4gltena:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100-4g:-:*:*:*:*:*:*:* |
cpe:2.3:h:cisco:1100-6g_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100-4gltegb_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100-4g_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100-lte_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100-4gltena_integrated_services_router:-:*:*:*:*:*:*:* |
22 May 2023, 18:57
Type | Values Removed | Values Added |
---|---|---|
CPE | cpe:2.3:h:cisco:isr_1101:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1109-4p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1120:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1100-4p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1111x-8p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1111x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1109-2p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1101-4p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1109:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1160:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_111x:-:*:*:*:*:*:*:* |
cpe:2.3:h:cisco:1109_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1101_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100-8p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1101-4p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1109-2p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1111x_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1109-4p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1120_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100-4p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:111x_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1111x-8p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1160_integrated_services_router:-:*:*:*:*:*:*:* |
First Time |
Cisco 1100-4p Integrated Services Router
Cisco 1109-4p Integrated Services Router Cisco 1111x-8p Integrated Services Router Cisco 1111x Integrated Services Router Cisco 1100-8p Integrated Services Router Cisco 1109 Integrated Services Router Cisco 1160 Integrated Services Router Cisco 1120 Integrated Services Router Cisco 1109-2p Integrated Services Router Cisco 1101 Integrated Services Router Cisco 111x Integrated Services Router Cisco 1101-4p Integrated Services Router |
22 May 2023, 17:08
Type | Values Removed | Values Added |
---|---|---|
First Time |
Cisco 4461 Integrated Services Router
Cisco 4221 Integrated Services Router Cisco 4451 Integrated Services Router Cisco 4331 Integrated Services Router Cisco 4431 Integrated Services Router |
|
CPE | cpe:2.3:h:cisco:integrated_services_router_4451:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4221:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4431:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4331:-:*:*:*:*:*:*:* |
cpe:2.3:h:cisco:4431_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:4331_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:4221_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:4461_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:4451_integrated_services_router:-:*:*:*:*:*:*:* |
Information
Published : 2020-09-24 18:15
Updated : 2024-11-21 05:30
NVD link : CVE-2020-3408
Mitre link : CVE-2020-3408
CVE.ORG link : CVE-2020-3408
JSON object : View
Products Affected
cisco
- ws-c3850-24t
- ws-c3650-24ps
- catalyst_c9300l-24t-4g
- catalyst_c9500-40x
- 1101_integrated_services_router
- ws-c3650-48pq
- ws-c3850-48xs
- catalyst_c9200l-48p-4x
- asr_1002
- asr1001-hx-rf
- 1100-4p_integrated_services_router
- ws-c3650-12x48uq
- 1100_integrated_services_router
- ws-c3850-12xs
- asr_1004
- catalyst_c9500-32c
- catalyst_c9300-24t
- ws-c3650-48fq
- ws-c3650-48pd
- catalyst_c9500-12q
- catalyst_c9300-24u
- catalyst_c9300l-48p-4x
- 1100-8p_integrated_services_router
- 1111x-8p_integrated_services_router
- catalyst_c9200l-48pxg-4x
- 4461_integrated_services_router
- 1101-4p_integrated_services_router
- asr_1013
- catalyst_c9200l-24p-4x
- catalyst_c9200l-24p-4g
- catalyst_c9300l-24p-4g
- asr1002-x-ws
- ws-c3850-12x48u
- catalyst_c9500-24y4c
- catalyst_c9300-48u
- catalyst_c9200l-48pxg-2y
- catalyst_c9300l-24p-4x
- ios
- catalyst_c9300-24ux
- 1100-4g_integrated_services_router
- catalyst_c9200l-24t-4x
- catalyst_c9200l-48t-4g
- ws-c3650-48fd
- 1100-4gltena_integrated_services_router
- ws-c3650-12x48ur
- ws-c3650-48td
- asr_1002-x
- ws-c3850-48f
- 4451_integrated_services_router
- catalyst_9800-cl
- ws-c3850-48p
- catalyst_9800-80
- 1109_integrated_services_router
- asr_1001
- 1109-2p_integrated_services_router
- 4331_integrated_services_router
- catalyst_c9300-24p
- catalyst_c9300-48p
- catalyst_c9200l-24pxg-2y
- catalyst_c9500-32qc
- 1111x_integrated_services_router
- catalyst_c9200-24p
- catalyst_c9300l-48p-4g
- catalyst_c9300-48t
- ws-c3850-48u
- catalyst_c9300-48un
- ws-c3650-8x24uq
- catalyst_c9200l-24pxg-4x
- 1160_integrated_services_router
- catalyst_c9300l-48t-4x
- catalyst_c9200l-48p-4g
- ws-c3850-24p
- catalyst_c9500-16x
- ios_xe
- catalyst_c9410r
- ws-c3850-48t
- 1100-4gltegb_integrated_services_router
- asr1001-x-rf
- catalyst_c9500-24q
- ws-c3650-48fqm
- 1100-6g_integrated_services_router
- catalyst_9800-l
- asr_1001-x
- catalyst_c9200l-48t-4x
- catalyst_9800-40
- catalyst_c9300-48uxm
- catalyst_c9200-48t
- asr_1006
- catalyst_c9407r
- ws-c3650-48ts
- asr1001-x-ws
- 111x_integrated_services_router
- asr1002-hx
- catalyst_c9404r
- ws-c3850-24s
- ws-c3650-12x48uz
- 1109-4p_integrated_services_router
- asr1002-hx-rf
- catalyst_c9200-48p
- catalyst_c9200-24t
- asr1002-hx-ws
- 4431_integrated_services_router
- catalyst_c9300l-48t-4g
- 1120_integrated_services_router
- 4221_integrated_services_router
- ws-c3650-24pd
- ws-c3650-24ts
- ws-c3650-48tq
- ws-c3850-12s
- asr1002-x-rf
- catalyst_c9200l-24t-4g
- catalyst_c9300l-24t-4x
- catalyst_9800-l-c
- ws-c3650-24pdm
- csr_1000v
- catalyst_c9300-24s
- ws-c3650-24td
- catalyst_c9500-48y4c
- ws-c3650-48fs
- ws-c3850
- catalyst_9800-l-f
- ws-c3850-24u
- asr_1000-x
- ws-c3650-48ps
- ws-c3850-24xs
- 1100-lte_integrated_services_router
- catalyst_c9300-48s
- ws-c3850-24xu
- asr1001-hx