cisco-sa-20190306-nxos-cmdinj-1608: Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1608)
First published: Wed Mar 06 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 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-20190306-nxos-cmdinj-1608 This advisory is part of the March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication, which includes 25 Cisco Security Advisories that describe 26 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: March 2019 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco NX-OS Software | =8.1<8.1(1b)=7.3<8.1(1b)=6.2<6.2(27)=5.2<6.2(27) | 8.1(1b) 8.1(1b) 6.2(27) 6.2(27) |
| 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 CLI Command Injection vulnerability?
The vulnerability ID for this Cisco NX-OS Software CLI Command Injection vulnerability is CVE-2019-1608.
What is the severity rating of the Cisco NX-OS Software CLI Command Injection vulnerability (CVE-2019-1608)?
The severity rating of the Cisco NX-OS Software CLI Command Injection vulnerability (CVE-2019-1608) is medium with a severity value of 4.2.
What is the affected software for this vulnerability (CVE-2019-1608)?
The affected software for this vulnerability (CVE-2019-1608) is Cisco NX-OS Software versions 8.1(1b), 6.2(27), 6.2(22), and prior to 6.2.
How can an attacker exploit the Cisco NX-OS Software CLI Command Injection vulnerability (CVE-2019-1608)?
An attacker can exploit the Cisco NX-OS Software CLI Command Injection vulnerability (CVE-2019-1608) by passing malicious arguments to certain CLI commands.
Is there a remedy available for the Cisco NX-OS Software CLI Command Injection vulnerability (CVE-2019-1608)?
Yes, there are specific software versions available as a remedy for the Cisco NX-OS Software CLI Command Injection vulnerability (CVE-2019-1608). Please refer to the Cisco Security Advisory for the exact software versions.
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- version/cisco nx-os software/6.2
- version/cisco nx-os software/5.2
- version/cisco nx-os software/prior to 6.2