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AUSCERT External Security Bulletin Redistribution
Cisco Prime Data Center Network Manager Server Static
8 June 2017
AusCERT Security Bulletin Summary
Product: Cisco Prime Data Center Network Manager
Publisher: Cisco Systems
Operating System: Linux variants
Impact/Access: Root Compromise -- Remote/Unauthenticated
CVE Names: CVE-2017-6640
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Cisco Prime Data Center Network Manager Server Static Credential Vulnerability
Advisory ID: cisco-sa-20170607-dcnm2
First Published: 2017 June 7 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvd95346
CVSS Score: Base 9.8, Temporal 9.8
A vulnerability in Cisco Prime Data Center Network Manager (DCNM)
Software could allow an unauthenticated, remote attacker to log in to
the administrative console of a DCNM server by using an account that
has a default, static password. The account could be granted root- or
The vulnerability exists because the affected software has a default
user account that has a default, static password. The user account is
created automatically when the software is installed. An attacker could
exploit this vulnerability by connecting remotely to an affected system
and logging in to the affected software by using the credentials for this
default user account. A successful exploit could allow the attacker to
use this default user account to log in to the affected software and gain
access to the administrative console of a DCNM server.
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:
This vulnerability affects Cisco Prime Data Center Network Manager (DCNM)
Software releases prior to Release 10.2(1) for Microsoft Windows, Linux,
and Virtual Appliance platforms.
To determine which release of Cisco Prime DCNM Software is running on a
computer, administrators can use a web browser to connect to the Cisco
Prime DCNM client via HTTPS. The release number appears on the login page
for the software, for example:
Data Center Network Manager
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this
There are no workarounds that address this vulnerability.
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
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 providers.
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
Customers should upgrade to an appropriate release as indicated in this
section. To help ensure a complete upgrade solution, consider that this
advisory is part of a collection that includes the following advisories:
cisco-sa-20170607-dcnm1: Cisco Prime Data Center Network Manager Debug
Remote Code Execution Vulnerability
cisco-sa-20170607-dcnm2: Cisco Prime Data Center Network Manager Static
This vulnerability is fixed in Cisco Prime DCNM Software releases 10.2(1)
and later. Cisco Prime DCNM Software can be downloaded from the Software
Center on Cisco.com by navigating to Products > Cloud and Systems Management
> Data Center Infrastructure Management > Data Center Network Manager.
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.
Cisco would like to thank security researcher Antonius Mulder of Commonwealth
Bank of Australia for finding and reporting this vulnerability.
Version Description Section Status Date
1.0 Initial public release. -- Final 2017-June-07
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND
OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT
OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES
THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
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