CWE
77
Advisory Published

cisco-sa-20190515-nxos-cmdinj-1795: Cisco FXOS and NX-OS Software Command Injection Vulnerability (CVE-2019-1795)

First published: Wed May 15 2019(Updated: )

A vulnerability in the CLI of Cisco FXOS Software and 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-cmdinj-1795

Affected SoftwareAffected VersionHow to fix
Cisco FXOS Software=2.4<2.4.1.101=2.3<2.3.1.73=2.2<2.2.2.54=2.1<2.2.2.54=2.0<2.0.1.201=Prior 2.0<2.0.1.201
2.4.1.101
2.3.1.73
2.2.2.54
2.2.2.54
2.0.1.201
2.0.1.201
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)
Cisco NX-OS Software=4.0<4.0(1a)=3.2<3.2(3a)=Prior to 3.2<3.2(3a)
4.0(1a)
3.2(3a)
3.2(3a)

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for the Cisco FXOS and NX-OS Software Command Injection vulnerability?

    The vulnerability ID is cisco-sa-20190515-nxos-cmdinj-1795.

  • What is the severity level of the Cisco FXOS and NX-OS Software Command Injection vulnerability?

    The severity level is medium, with a CVSS score of 6.7.

  • How does the Cisco FXOS and NX-OS Software Command Injection vulnerability affect the system?

    The vulnerability allows an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating system with root privilege.

  • Which software versions are affected by the Cisco FXOS and NX-OS Software Command Injection vulnerability?

    The affected software versions include Cisco FXOS Software versions 2.0 to 2.4.1.101, and Cisco NX-OS Software versions 6.0(2)A8 to 6.2(22) and 3.2 to 4.0(1a).

  • Where can I find more information about the Cisco FXOS and NX-OS Software Command Injection vulnerability?

    You can find more information about the vulnerability on the Cisco Security Advisory page: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-cmdinj-1795.

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