CVE-2019-16004: Cisco Vision Dynamic Signage Director Authentication Bypass Vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-23 · updated 2026-06-17
Weakness: CWE-306

Description

A vulnerability in the REST API endpoint of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to bypass authentication on an affected device. The vulnerability is due to missing authentication on some of the API calls. An attacker could exploit this vulnerability by sending a request to one of the affected calls. A successful exploit could allow the attacker to interact with some parts of the API.

Affected products

Cisco Vision Dynamic Signage Director: before 6.2.0; 6.2.0, 6.2.0-sp1 — fixed in 6.2.0

How to fix

Upgrade to a fixed version: Cisco Vision Dynamic Signage Director 6.2.0. Check the vendor advisory for mitigations.

References

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