CVE-2017-6639

CVE-2017-6639 is a critical-severity vulnerability in Cisco Prime Data Center Network Manager with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 35% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-862.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-6639?
CVE-2017-6639 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-6639 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6639?
CVE-2017-6639 primarily affects Cisco Prime Data Center Network Manager. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-6639?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-6639 published?
CVE-2017-6639 was published on 2017-06-08 and last updated on 2026-06-17.

References

Affected products (3)

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