7.2
CWE
88 77
Advisory Published
Updated

CVE-2019-1784: Cisco NX-OS Software Command Injection Vulnerability

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.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Nx-os<7.3\(5\)n1\(1\)
Cisco Nexus 5548p
Cisco Nexus 5548up
Cisco Nexus 5596t
Cisco Nexus 5596up
Cisco Nexus 56128p
Cisco Nexus 5624q
Cisco Nexus 5648q
Cisco Nexus 5672up
Cisco Nexus 5696q
Cisco Nexus 6001
Cisco Nexus 6004
Cisco Nx-os>=7.2<7.3\(3\)d1\(1\)
Cisco Nx-os>=8.0<8.2\(3\)
Cisco Nx-os>=8.3<8.3\(1\)
Cisco 7000
Cisco 7700
Cisco Nx-os<4.0\(1a\)
Cisco Ucs 6248up
Cisco Ucs 6296up
Cisco Ucs 6324
Cisco Ucs 6332
Cisco Ucs 6332-16up

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Frequently Asked Questions

  • What is CVE-2019-1784?

    CVE-2019-1784 is a vulnerability in the CLI of Cisco NX-OS Software that allows an authenticated, local attacker to execute arbitrary commands with root privilege.

  • How severe is CVE-2019-1784?

    CVE-2019-1784 has a severity rating of 6.7 (high).

  • Which software is affected by CVE-2019-1784?

    Cisco NX-OS Software versions up to 7.3(5)n1(1) are affected by CVE-2019-1784.

  • How can I fix CVE-2019-1784?

    To fix CVE-2019-1784, upgrade Cisco NX-OS Software to a version beyond 7.3(5)n1(1).

  • Where can I find more information about CVE-2019-1784?

    More information about CVE-2019-1784 can be found at the following references: http://www.securityfocus.com/bid/108369, https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-cmd-inject-1784

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