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             AUSCERT External Security Bulletin Redistribution

 Cisco Stealthwatch Management Console Authentication Bypass Vulnerability
                              9 November 2018


        AusCERT Security Bulletin Summary

Product:           Cisco Stealthwatch
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-15394  

Original Bulletin: 

Revision History:  November 9 2018: Updated Fixed Software section.
                   November 8 2018: Initial Release

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Cisco Stealthwatch Management Console Authentication Bypass Vulnerability

Priority: Critical
Advisory ID: cisco-sa-20181107-smc-auth-bypass
First Published: 2018 November 7 16:00 GMT
Last Updated: 2018 November 8 18:28 GMT
Version 1.1: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvk52848
CVSS Score:
Base 9.8


  * A vulnerability in the Stealthwatch Management Console (SMC) of Cisco
    Stealthwatch Enterprise could allow an unauthenticated, remote attacker to
    bypass authentication and execute arbitrary actions with administrative
    privileges on an affected system.

    The vulnerability is due to an insecure system configuration. An attacker
    could exploit this vulnerability by sending a crafted HTTP request to the
    targeted application. An exploit could allow the attacker to gain
    unauthenticated access, resulting in elevated privileges in the SMC.

    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

  * Vulnerable Products

    This vulnerability affects Cisco Stealthwatch Enterprise releases 6.10.2
    and prior.

    To determine which Cisco Stealthwatch Enterprise release is running on a
    system, administrators can go to the System Management page in the SMC web
    application interface by using a compatible, HTTPS-enabled browser. The
    version information will be displayed when the administrator logs in.

    Products Confirmed Not Vulnerable

    No other Cisco products are currently known to be affected by this


  * There are no workarounds that address this vulnerability.

Fixed Software

  * 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:

    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:

    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

    This vulnerability is fixed in Cisco Stealthwatch Enterprise Release

    Customers should upgrade to an appropriate release, including the latest
    additional patches, as indicated in the following table:

    Cisco Stealthwatch Enterprise Major       First Patch Available for This
    Release                                   Release
    6.7                                       6.7.5
    6.8                                       6.8.4
    6.9                                       6.9.5
    6.10                                      6.10.3*

*No patch required.

    Customers can download Cisco Stealthwatch Enterprise software from the
    Cisco Stealthwatch Download and License Center by doing the following:

     1. Log in to the Download and License Center at https://
     2. Click the appropriate Stealthwatch Release link in the Software Updates
        section. The Product Search page opens with a list of all possible
        downloads associated with the selected release.
     3. Locate the appropriate software update (SWU) file and click Download.

Exploitation and Public Announcements

  * 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.


  * This vulnerability was found during internal security testing.


  * https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181107-smc-auth-bypass

Revision History

    | Version |       Description       |   Section   | Status |       Date       |
    | 1.1     | Updated Fixed Software  | Fixed       | Final  | 2018-November-08 |
    |         | section.                | Software    |        |                  |
    | 1.0     | Initial public release. | -           | Final  | 2018-November-07 |

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