A vulnerability in the persistent Telnet/Secure Shell (SSH) CLI of Cisco IOS XE Software could allow an authenticated, local attacker to gain shell access on an affected device and execute commands on the underlying operating system (OS) with root privileges. The vulnerability is due to insufficient enforcement of the consent token in authorizing shell access. An attacker could exploit this vulnerability by authenticating to the persistent Telnet/SSH CLI on an affected device and requesting shell access. A successful exploit could allow the attacker to gain shell access on the affected device and execute commands on the underlying OS with root privileges.
References
| Link | Resource |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ctbypass-7QHAfHkK | Vendor Advisory |
Configurations
Configuration 1 (hide)
| AND |
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History
23 May 2023, 13:55
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | 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:isr1100-6g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100:-:*:*:*:*:*:*:* |
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:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100-6g_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100-4gltegb_integrated_services_router:-:*:*:*:*:*:*:* |
| First Time |
Cisco 1100-4gltegb Integrated Services Router
Cisco 1100-lte Integrated Services Router Cisco 1100-4g Integrated Services Router Cisco 1100 Integrated Services Router Cisco 1100-4gltena Integrated Services Router Cisco 1100-6g Integrated Services Router |
22 May 2023, 18:57
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Cisco 1100-4p Integrated Services Router
Cisco 1120 Integrated Services Router Cisco 1111x Integrated Services Router Cisco 1109-2p Integrated Services Router Cisco 1101-4p Integrated Services Router Cisco 111x Integrated Services Router Cisco 1109 Integrated Services Router Cisco 1100-8p Integrated Services Router Cisco 1101 Integrated Services Router Cisco 1160 Integrated Services Router Cisco 1111x-8p Integrated Services Router Cisco 1109-4p Integrated Services Router |
|
| CPE | cpe:2.3:h:cisco:isr_1101-4p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1111x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1100-4p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1109-4p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1160:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1111x-8p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1109:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1120:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1100-8p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_111x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1109-2p:-:*:*:*:*:*:*:* |
cpe:2.3:h:cisco:1111x_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1120_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1101_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:1100-4p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1101-4p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1109-4p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100-8p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1109_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1109-2p_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1160_integrated_services_router:-:*:*:*:*:*:*:* |
22 May 2023, 17:08
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Cisco 4331 Integrated Services Router
Cisco 4221 Integrated Services Router Cisco 4451 Integrated Services Router Cisco 4461 Integrated Services Router Cisco 4431 Integrated Services Router |
|
| CPE | cpe:2.3:h:cisco:integrated_services_router_4461:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4221:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4451:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4331:-:*:*:*:*:*:*:* |
cpe:2.3:h:cisco:4221_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:4451_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:4331_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:4461_integrated_services_router:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:4431_integrated_services_router:-:*:*:*:*:*:*:* |
Information
Published : 2020-09-24 18:15
Updated : 2023-12-10 13:41
NVD link : CVE-2020-3404
Mitre link : CVE-2020-3404
CVE.ORG link : CVE-2020-3404
JSON object : View
Products Affected
cisco
- ws-c3850-24p
- catalyst_c9300l-48t-4g
- catalyst_c9300l-48p-4x
- 1100-4p_integrated_services_router
- catalyst_9800-cl
- catalyst_c9500-24y4c
- ws-c3650-12x48uz
- ws-c3650-48pd
- 1101_integrated_services_router
- 4461_integrated_services_router
- catalyst_c9300l-24t-4g
- catalyst_c9200l-48pxg-2y
- catalyst_9800-40
- catalyst_c9200l-48pxg-4x
- catalyst_c9500-40x
- catalyst_c9300-48s
- ws-c3850-12xs
- asr_1002
- ws-c3850
- catalyst_9800-80
- 1100_integrated_services_router
- asr_1013
- ws-c3850-24t
- 111x_integrated_services_router
- catalyst_9800-l-c
- 1120_integrated_services_router
- catalyst_c9200l-24p-4g
- 1100-6g_integrated_services_router
- 1109-2p_integrated_services_router
- catalyst_c9300-24u
- 1109_integrated_services_router
- 1111x_integrated_services_router
- ws-c3850-24xs
- 1109-4p_integrated_services_router
- 1100-4g_integrated_services_router
- ws-c3650-24ps
- catalyst_c9200l-48p-4g
- asr_1006
- asr1001-x-rf
- ws-c3650-24pd
- ws-c3850-24u
- asr_1002-x
- catalyst_c9500-16x
- asr1002-x-ws
- 1111x-8p_integrated_services_router
- catalyst_c9404r
- catalyst_c9200l-24p-4x
- asr_1004
- asr_1001-x
- ws-c3850-24xu
- catalyst_c9200l-24t-4x
- catalyst_c9407r
- catalyst_c9300l-24t-4x
- catalyst_c9300-24s
- ws-c3650-48ps
- catalyst_c9200l-24pxg-2y
- ws-c3650-24td
- asr1001-hx
- ws-c3850-12s
- asr1001-hx-rf
- 4431_integrated_services_router
- catalyst_c9500-48y4c
- catalyst_c9200-24p
- catalyst_c9300-48t
- ws-c3650-48fq
- ws-c3650-48fqm
- catalyst_c9200l-48p-4x
- ios_xe
- ws-c3650-48fs
- asr_1000-x
- catalyst_c9300-24p
- catalyst_c9300l-24p-4x
- asr1002-hx-rf
- ws-c3850-24s
- 4451_integrated_services_router
- ws-c3850-48p
- catalyst_c9200l-48t-4x
- ws-c3650-8x24uq
- catalyst_9800-l-f
- ws-c3850-48t
- asr1002-hx
- ws-c3650-48pq
- ws-c3650-48td
- catalyst_c9300-48p
- catalyst_c9300-48un
- ws-c3850-12x48u
- catalyst_c9200-48p
- catalyst_c9200-48t
- catalyst_c9200-24t
- ws-c3650-12x48ur
- catalyst_c9500-32c
- catalyst_c9300-48u
- ws-c3850-48u
- 1100-lte_integrated_services_router
- ws-c3650-48fd
- ws-c3650-48tq
- catalyst_c9300l-48p-4g
- ws-c3650-24ts
- 1100-4gltena_integrated_services_router
- catalyst_c9410r
- catalyst_c9500-32qc
- ws-c3850-48xs
- asr_1001
- catalyst_c9500-12q
- asr1001-x-ws
- catalyst_9800-l
- catalyst_c9200l-24t-4g
- csr_1000v
- 4331_integrated_services_router
- 1160_integrated_services_router
- ws-c3850-48f
- 4221_integrated_services_router
- catalyst_c9300-48uxm
- ws-c3650-24pdm
- catalyst_c9300-24t
- ws-c3650-12x48uq
- asr1002-hx-ws
- 1101-4p_integrated_services_router
- catalyst_c9300l-48t-4x
- catalyst_c9300l-24p-4g
- 1100-4gltegb_integrated_services_router
- catalyst_c9500-24q
- catalyst_c9200l-48t-4g
- catalyst_c9300-24ux
- asr1002-x-rf
- 1100-8p_integrated_services_router
- ws-c3650-48ts
- catalyst_c9200l-24pxg-4x
CWE
CWE-863
Incorrect Authorization