cisco-sa-20190515-nxos-cmdinj-1790: Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1790)
First published: Wed May 15 2019(Updated: )
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker with valid administrator credentials 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-20190515-nxos-cmdinj-1790
| 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(25)=5.2<6.2(25) | 8.1(1b) 8.1(1b) 6.2(25) 6.2(25) |
| Cisco NX-OS Software | ||
| Cisco NX-OS Software | =6.2<6.2(22)=Prior to 6.2<6.2(22) | 6.2(22) 6.2(22) |
| 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 the severity of Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1790)?
The severity of Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1790) is medium.
How does Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1790) impact the affected devices?
The vulnerability allows an authenticated, local attacker to execute arbitrary commands on the underlying operating system.
Which versions of Cisco NX-OS Software are affected by CVE-2019-1790?
Cisco NX-OS Software versions 8.1, 7.3, 6.2, and 5.2 are affected.
How can I mitigate Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1790)?
Update to the recommended software versions provided by Cisco.
Where can I find more information about Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1790)?
You can find more information about Cisco NX-OS Software Command Injection Vulnerability (CVE-2019-1790) on the Cisco Security Advisory page.
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- version/cisco nx-os software/prior to 4.0