CVE-2021-34782: Cisco DNA Center Information Disclosure Vulnerability

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-06 · updated 2026-06-17
Weakness: CWE-202

Description

A vulnerability in the API endpoints for Cisco DNA Center could allow an authenticated, remote attacker to gain access to sensitive information that should be restricted. The attacker must have valid device credentials. This vulnerability is due to improper access controls on API endpoints. An attacker could exploit the vulnerability by sending a specific API request to an affected application. A successful exploit could allow the attacker to obtain sensitive information about other users who are configured with higher privileges on the application.

Affected products

Cisco Digital Network Architecture Center (DNA Center): before 2.2.2.5; from 2.2.3.0 before 2.2.3.3 — fixed in 2.2.2.5, 2.2.3.3

How to fix

Upgrade to a fixed version: Cisco Digital Network Architecture Center (DNA Center) 2.2.2.5, 2.2.3.3. Check the vendor advisory for mitigations.

References

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