cisco-sa-20190515-nxos-cmd-inject-1784: Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1784)
First published: Wed May 15 2019(Updated: )
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating system with the privilege level of root. The vulnerability is due to insufficient validation of arguments passed to a specific CLI command on the affected device. An attacker could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system with elevated privileges. An attacker would need valid administrator credentials to exploit this vulnerability. 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-20190515-nxos-cmd-inject-1784
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco NX-OS Software | ||
| Cisco NX-OS Software | =4.0<4.0(1a)=Prior to 4.0<4.0(1a) | 4.0(1a) 4.0(1a) |
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Reference Links
Frequently Asked Questions
What is Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1784)?
It is a vulnerability in the CLI of Cisco NX-OS Software that allows an attacker to execute arbitrary commands on the underlying Linux operating system with root privilege.
Who is affected by Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1784)?
Users of Cisco NX-OS Software versions prior to 4.0(1a) are affected.
What is the severity of Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1784)?
The severity of this vulnerability is medium with a CVSS score of 6.7.
How can I fix Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1784)?
Upgrade to Cisco NX-OS Software version 4.0(1a) or later to fix this vulnerability.
Where can I find more information about Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1784)?
You can find more information about this vulnerability on the official Cisco Security Advisory: [link](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-cmd-inject-1784)
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