cisco-sa-xr-cmdinj-vsKGherc: Cisco IOS XR Software Command Injection Vulnerability
First published: Wed Apr 07 2021(Updated: )
A vulnerability in the CLI of Cisco IOS XR 64-Bit Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges on the underlying Linux operating system (OS) of an affected device. This vulnerability is due to insufficient input validation of commands that are supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to an affected command. A successful exploit could allow the attacker to execute commands on the underlying Linux OS with root privileges. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xr-cmdinj-vsKGherc
Credit: Darell Tan Jia Jun STAR Labs
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XRv 9000 |
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Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-xr-cmdinj-vsKGherc?
The vulnerability cisco-sa-xr-cmdinj-vsKGherc has a high severity rating due to the potential for command injection and escalation of privileges.
How do I fix cisco-sa-xr-cmdinj-vsKGherc?
To mitigate the cisco-sa-xr-cmdinj-vsKGherc vulnerability, upgrade to the patched version of Cisco IOS XR provided by Cisco.
Who is affected by cisco-sa-xr-cmdinj-vsKGherc?
Devices running Cisco IOS XR 64-Bit Software are affected by the cisco-sa-xr-cmdinj-vsKGherc vulnerability.
What type of attack does cisco-sa-xr-cmdinj-vsKGherc enable?
The cisco-sa-xr-cmdinj-vsKGherc vulnerability enables an authenticated local attacker to execute arbitrary commands with root privileges.
What are the potential impacts of cisco-sa-xr-cmdinj-vsKGherc?
If exploited, the cisco-sa-xr-cmdinj-vsKGherc vulnerability could lead to system compromise and unauthorized access to device functionalities.
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