cisco-sa-20190515-nxos-cmdinj-1791: Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1791)
First published: Wed May 15 2019(Updated: )
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker with administrator credentials to execute arbitrary commands with elevated privileges on the underlying operating system of an affected device. The vulnerability is due to insufficient validation of arguments passed to certain CLI commands. 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 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-cmdinj-1791
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco NX-OS Software | =6.2<6.2(25)=5.2<6.2(25) | 6.2(25) 6.2(25) |
| Cisco NX-OS Software | ||
| Cisco NX-OS Software | =6.0(2)A8<6.0(2)A8(11)=Prior to 6.0(2)A8<6.0(2)A8(11) | 6.0(2)A8(11) 6.0(2)A8(11) |
| Cisco NX-OS Software | =6.2<6.2(22)=Prior to 6.2<6.2(22) | 6.2(22) 6.2(22) |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Cisco NX-OS Software vulnerability?
The vulnerability ID for this Cisco NX-OS Software vulnerability is CVE-2019-1791.
What is the severity of Cisco vulnerability CVE-2019-1791?
The severity of Cisco vulnerability CVE-2019-1791 is medium.
How can an attacker exploit this Cisco vulnerability?
An attacker with administrator credentials can exploit this Cisco vulnerability by executing arbitrary commands with elevated privileges on the affected device.
Which versions of Cisco NX-OS Software are affected by this vulnerability?
Versions 6.0(2)A8(11) and Prior to 6.0(2)A8, as well as versions 6.2(22) and Prior to 6.2(22) of Cisco NX-OS Software are affected by this vulnerability.
How can I fix the Cisco vulnerability CVE-2019-1791?
To fix the Cisco vulnerability CVE-2019-1791, you should upgrade to the recommended versions: 6.2(25) or 6.0(2)A8(11).
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- version/cisco nx-os software/prior to 6.2