CVE-2020-3461: Cisco Data Center Network Manager Information Disclosure Vulnerability

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-31 · updated 2026-06-17
Weakness: CWE-306

Description

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to obtain confidential information from an affected device. The vulnerability is due to missing authentication on a specific part of the web-based management interface. An attacker could exploit this vulnerability by sending a crafted request to the interface. A successful exploit could allow the attacker to read confidential information from an affected device.

Affected products

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

How to fix

Upgrade to a fixed version: Cisco Data Center Network Manager 11.4\(1\). Check the vendor advisory for mitigations.

References

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