CVE-2020-3384: Cisco Data Center Network Manager

High severity, CVSS 8.2. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability in specific REST API endpoints of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to inject arbitrary commands on the underlying operating system with the privileges of the logged-in user. The vulnerability is due to insufficient validation of user-supplied input to the API. An attacker could exploit this vulnerability by sending a crafted request to the API. A successful exploit could allow the attacker to inject arbitrary commands on the underlying operating system.

Affected products

• Cisco Data Center Network Manager: before 11.4\(1\) (fixed in 11.4\(1\))

Published 2020-07-31. Last modified 2026-06-17.