CVE-2020-3404
"Cisco IOS XE SSH Authorization Bypass"
Description
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.
INFO
Published Date :
Sept. 24, 2020, 6:15 p.m.
Last Modified :
May 23, 2023, 1:55 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-3404
.
URL | Resource |
---|---|
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ctbypass-7QHAfHkK | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-3404
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-3404
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1101-4p:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1101-4p_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1101:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1101_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1109:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1109_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_111x:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:111x_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1111x:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1111x_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1120:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1120_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1160:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1160_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1111x-8p:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1111x-8p_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1100-8p:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1100-8p_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1100-4p:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1100-4p_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1109-4p:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1109-4p_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1109-2p:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1109-2p_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:integrated_services_router_4431:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:4431_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:integrated_services_router_4221:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:4221_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:integrated_services_router_4331:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:4331_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:integrated_services_router_4461:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:4461_integrated_services_router:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:integrated_services_router_4451:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:4451_integrated_services_router:-:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Oct. 06, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ctbypass-7QHAfHkK No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ctbypass-7QHAfHkK Vendor Advisory Added CWE NIST CWE-863 Added CPE Configuration AND OR *cpe:2.3:a:cisco:ios_xe:16.11.1:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:asr1001-hx:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr1001-hx-rf:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr1001-x-rf:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr1001-x-ws:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr1002-hx:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr1002-hx-rf:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr1002-hx-ws:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr1002-x-rf:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr1002-x-ws:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1000-x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1001:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1001-x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1002:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1002-x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1004:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1006:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_1013:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-80:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-cl:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-l:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-l-c:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-l-f:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200-24p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200-24t:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200-48p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200-48t:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-24p-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-24p-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-24pxg-2y:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-24pxg-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-24t-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-24t-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-48p-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-48p-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-48pxg-2y:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-48pxg-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-48t-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9200l-48t-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-24p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-24s:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-24t:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-24u:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-24ux:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-48p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-48s:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-48t:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-48u:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-48un:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300-48uxm:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300l-24p-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300l-24p-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300l-24t-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300l-24t-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300l-48p-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300l-48p-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300l-48t-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9300l-48t-4x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9404r:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9407r:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9410r:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9500-12q:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9500-16x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9500-24q:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9500-24y4c:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9500-32c:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9500-32qc:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9500-40x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_c9500-48y4c:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:csr_1000v:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4221:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4331:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4431:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4451:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:integrated_services_router_4461:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100-4g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100-4gltegb:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100-4gltena:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100-6g:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr1100-lte:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1100-4p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1100-8p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1101:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1101-4p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1109:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1109-2p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1109-4p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1111x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1111x-8p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_111x:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1120:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1160:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-12x48uq:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-12x48ur:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-12x48uz:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-24pd:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-24pdm:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-24ps:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-24td:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-24ts:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-48fd:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-48fq:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-48fqm:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-48fs:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-48pd:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-48pq:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-48ps:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-48td:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-48tq:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-48ts:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3650-8x24uq:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-12s:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-12x48u:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-12xs:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-24p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-24s:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-24t:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-24u:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-24xs:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-24xu:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-48f:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-48p:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-48t:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-48u:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:ws-c3850-48xs:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-3404
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-3404
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile