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             AUSCERT External Security Bulletin Redistribution

         Cisco SD-WAN Solution Privilege Escalation Vulnerability
                               19 March 2020


        AusCERT Security Bulletin Summary

Product:           Cisco SD-WAN Solution
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Root Compromise -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-3265  

Original Bulletin: 

- --------------------------BEGIN INCLUDED TEXT--------------------

Cisco SD-WAN Solution Privilege Escalation Vulnerability

Priority:        High

Advisory ID:     cisco-sa-sdwpresc-ySJGvE9

First Published: 2020 March 18 16:00 GMT

Version 1.0:     Final

Workarounds:     No workarounds available

Cisco Bug IDs:   CSCvs50619



CVSS Score:


  o A vulnerability in Cisco SD-WAN Solution software could allow an
    authenticated, local attacker to elevate privileges to root on the
    underlying operating system.

    The vulnerability is due to insufficient input validation. An attacker
    could exploit this vulnerability by sending a crafted request to an
    affected system. A successful exploit could allow the attacker to gain root
    -level privileges.

    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:

Affected Products

  o Vulnerable Products

    This vulnerability affects the following Cisco products if they are running
    a Cisco SD-WAN Solution software release earlier than Release 19.2.2:

       vBond Orchestrator Software
       vEdge 100 Series Routers
       vEdge 1000 Series Routers
       vEdge 2000 Series Routers
       vEdge 5000 Series Routers
       vEdge Cloud Router Platform
       vManage Network Management System
       vSmart Controller Software

    Products Confirmed Not Vulnerable

    Only products listed in the Vulnerable Products section of this advisory
    are known to be affected by this vulnerability.


  o There are no workarounds that address this vulnerability.

Fixed Software

  o Cisco has released free software updates that address the vulnerability
    described in this advisory. Customers may only install and expect support
    for software versions and feature sets for which they have purchased a
    license. By installing, downloading, accessing, or otherwise using such
    software upgrades, customers agree to follow the terms of the Cisco
    software license: https://www.cisco.com/c/en/us/products/

    Additionally, customers may only download software for which they have a
    valid license, procured from Cisco directly, or through a Cisco authorized
    reseller or partner. In most cases this will be a maintenance upgrade to
    software that was previously purchased. Free security software updates do
    not entitle customers to a new software license, additional software
    feature sets, or major revision upgrades.

    When considering software upgrades , customers are advised to regularly
    consult the advisories for Cisco products, which are available from the
    Cisco Security Advisories and Alerts page , to determine exposure and a
    complete upgrade solution.

    In all cases, customers should ensure that the devices to be upgraded
    contain sufficient memory and confirm that current hardware and software
    configurations will continue to be supported properly by the new release.
    If the information is not clear, customers are advised to contact the Cisco
    Technical Assistance Center (TAC) or their contracted maintenance

    Customers Without Service Contracts

    Customers who purchase directly from Cisco but do not hold a Cisco service
    contract and customers who make purchases through third-party vendors but
    are unsuccessful in obtaining fixed software through their point of sale
    should obtain upgrades by contacting the Cisco TAC: https://www.cisco.com/c

    Customers should have the product serial number available and be prepared
    to provide the URL of this advisory as evidence of entitlement to a free

    Fixed Releases

    Cisco has fixed this vulnerability in Cisco SD-WAN Solution software
    Release 19.2.2.

    To download the software from the Software Center on Cisco.com, click
    Browse all and do the following:

    vBond, vEdge Cloud, and vSmart

     1. Navigate to Routers > Software-Defined WAN (SD-WAN) > SD-WAN > SD-WAN
        Software Update .
     2. From the left panel, click 19.2.2 under Latest Release .
     3. Choose vSmart, vEdge Cloud, and vBond 19.2.2 upgrade image .

    vEdge 100, 1000, and 2000 Series Routers

     1. Navigate to Routers > Software-Defined WAN (SD-WAN) > vEdge Router >
        vEdge Router Model .
     2. From the left panel, click 19.2.2 under Latest Release .
     3. Choose vEdge 19.2.2 Upgrade Image for vEdge 100b, vEdge 100m, vEdge
        1000, vEdge 2000 Routers .

    vManage Network Management Software

     1. Navigate to Routers > Software-Defined WAN (SD-WAN) > SD-WAN > SD-WAN
        Software Update .
     2. From the left panel, click 19.2.2 under Latest Release .
     3. Choose vManage 19.2.2 upgrade image .

Exploitation and Public Announcements

  o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
    any public announcements or malicious use of the vulnerability that is
    described in this advisory.


  o Cisco would like to thank Orange Group for reporting this vulnerability.

Cisco Security Vulnerability Policy

  o To learn about Cisco security vulnerability disclosure policies and
    publications, see the Security Vulnerability Policy . This document also
    contains instructions for obtaining fixed software and receiving security
    vulnerability information from Cisco.


  o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/

Revision History

  o +----------+---------------------------+----------+--------+--------------+
    | Version  |        Description        | Section  | Status |     Date     |
    | 1.0      | Initial public release.   | -        | Final  | 2020-MAR-18  |

- --------------------------END INCLUDED TEXT--------------------

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