What is CVE-2017-6639?

CVE-2017-6639 is a critical-severity vulnerability in Cisco Prime Data Center Network Manager, classified under CWE-16. CVSS score: 9.8/10. Published 2017-06-08.

How severe is CVE-2017-6639?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Cisco Prime Data Center Network Manager

CVE-2017-6639

A vulnerability in the role-based access control (RBAC) functionality of Cisco Prime Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to access sensitive information or execute arbitrary code with root privileges on an affected system. The vulnerability is due to the lack of authentication and authorization mechanisms for a debugging tool that was inadvertently enabled in the affected software. An attacker could exploit this vulnerability by remotely connecting to the debugging tool via TCP. A successful exploit could allow the attacker to access sensitive information about the affected software or execute arbitrary code with root privileges on the affected system. This vulnerability affects Cisco Prime Data Center Network Manager (DCNM) Software Releases 10.1(1) and 10.1(2) for Microsoft Windows, Linux, and Virtual Appliance platforms. Cisco Bug IDs: CSCvd09961.

Published 2017-06-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.354 (98.4th percentile), scored 2026-10-24.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.354 · newest: 0.354 · change: 0.000

Affected products

Cisco Prime Data Center Network Manager — versions 10.1\(2\), 10.1(1), 10.1.0
Cisco Prime Data Center Network Manager Debug Remote Code Execution Vulnerability — versions Cisco Prime Data Center Network Manager Debug Remote Code Execution Vulnerability

Weakness classification (CWE)

References

www.securitytracker.com/id/1038626 (vdb-entry)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607… (Vendor Advisory)
www.securityfocus.com/bid/98935 (VDB Entry, Third Party Advisory, vdb-entry)
h20566.www2.hpe.com/hpsc/doc/public/display

Frequently asked questions

What is CVE-2017-6639?: CVE-2017-6639 is a critical-severity vulnerability in Cisco Prime Data Center Network Manager, classified under CWE-16. CVSS score: 9.8/10. Published 2017-06-08.
How severe is CVE-2017-6639?: Critical severity. CVSS v3 base score is 9.8 out of 10.