7.3
CWE
20
Advisory Published

cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3: Cisco IOS XE SD-WAN Software Arbitrary Command Execution Vulnerability

First published: Wed Mar 24 2021(Updated: )

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system as the root user. The attacker must be authenticated on the affected device as a low-privileged user to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by injecting arbitrary commands to a file as a lower-privileged user. The commands are then executed on the device by the root user. A successful exploit could allow the attacker to execute arbitrary commands as the root user. 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-iosxe-sdwarbcmdexec-sspOMUr3 This advisory is part of the March 2021 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2021 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication.

Credit: This vulnerability was found by Andrew Kim Cisco during internal security testing

Affected SoftwareAffected VersionHow to fix
Cisco Standalone IOS XE SD-WAN Releases

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3?

    The severity of cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3 is high due to its ability to allow execution of arbitrary commands as the root user.

  • How do I fix cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3?

    To fix cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3, apply the recommended security patches or updates provided by Cisco for the affected software.

  • Who is affected by cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3?

    Users of Cisco IOS XE SD-WAN Software are affected by the vulnerability identified as cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3.

  • What type of attacker can exploit cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3?

    An authenticated, local attacker with low privileges can exploit cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3 to execute arbitrary commands.

  • What impact does cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3 have on systems?

    The impact of cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3 includes potential unauthorized access and control over the underlying operating system.

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