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Vulnerability record · CVE-2019-1917 · published 17 July 2019

CVE-2019-1917: Cisco vision dynamic signage director improper authentication vulnerability

Cisco · Vision Dynamic Signage Director

A vulnerability in the REST API interface of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to bypass authentication on an affected system. The vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to execute arbitrary actions through the REST API with administrative privileges on the affected system. The REST API is enabled by default and cannot be disabled.

9.8 CVSS 3.0 Critical EPSS 5.3% · top 7.7% CWE-287 · Improper authentication
9.8CVSS 3.0 base score, v2 10.0
5.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A vulnerability in the REST API interface of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to bypass authentication on an affected system. The vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to execute arbitrary actions through the REST API with administrative privileges on the affected system. The REST API is enabled by default and cannot be disabled.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/109301 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190717-cvdsd-wmauth Vendor Advisory
http://www.securityfocus.com/bid/109301 Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190717-cvdsd-wmauth Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.5CVE-2020-3598Cisco vision dynamic signage director missing authentication for critical function vulnerabilityA vulnerability in the web-based management interface of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to acc…EPSS 0.95%6.5CVE-2019-16004Cisco vision dynamic signage director missing authentication for critical function vulnerabilityA vulnerability in the REST API endpoint of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to bypass authentic…EPSS 1.0%6.3CVE-2020-3485Cisco vision dynamic signage director permissions and access controls vulnerabilityA vulnerability in the role-based access control (RBAC) functionality of the web management software of Cisco Vision Dynamic Signage Director could a…EPSS 0.68%6.1CVE-2021-34742Cisco vision dynamic signage director cross-site scripting vulnerabilityA vulnerability in the web-based management interface of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to con…EPSS 0.77%5.3CVE-2020-3484Cisco vision dynamic signage director incorrect default permissions vulnerabilityA vulnerability in the web-based management interface of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to vie…EPSS 1.1%4.9CVE-2020-3490Cisco vision dynamic signage director path traversal vulnerabilityA vulnerability in the web-based management interface of Cisco Vision Dynamic Signage Director could allow an authenticated, remote attacker with adm…EPSS 3.0%4.9CVE-2020-3450Cisco vision dynamic signage director sql injection vulnerabilityA vulnerability in the web-based management interface of Cisco Vision Dynamic Signage Director could allow an authenticated, remote attacker with adm…EPSS 1.0%4.8CVE-2020-3491Cisco vision dynamic signage director cross-site scripting vulnerabilityA vulnerability in the web-based management interface of Cisco Vision Dynamic Signage Director could allow an authenticated, remote attacker with adm…EPSS 0.62%

Source: NIST National Vulnerability Database (record CVE-2019-1917), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.