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CVE-2021-34729

Cisco IOS XE SD-WAN Software Command Injection Vulnerability

Published: Sep 23, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-77
NVD MITRE
6.7CVSSMEDIUM
EPSS Score
0.3%
Top 73.8%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software and Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary commands with elevated privileges on an affected device. This vulnerability is due to insufficient validation of arguments passed to certain CLI commands. An attacker could exploit this vulnerability by including malicious input in the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands with elevated privileges on the underlying operating system. An attacker would need valid user credentials to exploit this vulnerability.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-77CWE-78

Affected Products

ios xecisco
On-premFirmware
Networking Infrastructure / router-switch
ios xe sd-wanciscoNetworking Infrastructure
Cisco IOS XECisco Systems Inc.Networking Infrastructure
Cisco IOS XE SD-WANCisco Systems Inc.Networking Infrastructure
Cisco IOS XE SD-WAN SoftwareCiscoNetworking Infrastructure
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco

Attack Graph

Products CVE Techniques Tactics

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Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxesdwan-clicmdinj-7bYX5k3
tools.cisco.com
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxesdwan-clicmdinj-7bYX5k3
tools.cisco.com
https://www.cybersecurity-help.cz/vdb/SB2021092415
cybersecurity-help.cz

Timeline

Published
Sep 23, 2021
Last Updated
Nov 21, 2024

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