CVE-2021-34765: Cisco Nexus Insights Authenticated Information Disclosure Vulnerability

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-02 · updated 2026-06-17
Weakness: CWE-552

Description

A vulnerability in the web UI for Cisco Nexus Insights could allow an authenticated, remote attacker to view and download files related to the web application. The attacker requires valid device credentials. This vulnerability exists because proper role-based access control (RBAC) filters are not applied to file download actions. An attacker could exploit this vulnerability by logging in to the application and then navigating to the directory listing and download functions. A successful exploit could allow the attacker to download sensitive files that should be restricted, which could result in disclosure of sensitive information.

Affected products

Cisco Nexus Insights: before 6.0.1 — fixed in 6.0.1

How to fix

Upgrade to a fixed version: Cisco Nexus Insights 6.0.1. Check the vendor advisory for mitigations.

References

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