CVE-2020-3520: Cisco Data Center Network Manager

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability in Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, local attacker to obtain confidential information from an affected device. The vulnerability is due to insufficient protection of confidential information on an affected device. An attacker at any privilege level could exploit this vulnerability by accessing local filesystems and extracting sensitive information from them. A successful exploit could allow the attacker to view sensitive data, which they could use to elevate their privilege.

Affected products

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

Published 2020-08-26. Last modified 2026-06-17.