CVE-2020-3112: Cisco Data Center Network Manager Privilege Escalation Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-02-19 · updated 2026-06-17
Weakness: CWE-264

Description

A vulnerability in the REST API endpoint of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to elevate privileges on the application. The vulnerability is due to insufficient access control validation. An attacker could exploit this vulnerability by authenticating with a low-privilege account and sending a crafted request to the API. A successful exploit could allow the attacker to interact with the API with administrative privileges.

Affected products

Cisco Data Center Network Manager: before 11.3\(1\) — fixed in 11.3\(1\)

How to fix

Upgrade to a fixed version: Cisco Data Center Network Manager 11.3\(1\). Check the vendor advisory for mitigations.

References

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