CVE-2019-1917: A vulnerability in the REST API interface of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to bypass authentic...

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.

Metrics

CVSS 3.0

9.1/10

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

EPSS Probability

5.34%

91.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Cisco	Vision Dynamic Signage Director	<= 5.0	—
Cisco	Vision Dynamic Signage Director	>= 6.0, <= 6.1	—
Cisco	Vision Dynamic Signage Director	5.0	Sp1
Cisco	Vision Dynamic Signage Director	6.1	Sp1

References

http://www.securityfocus.com/bid/109301Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190717-cvdsd-wmauthVendor Advisory
http://www.securityfocus.com/bid/109301Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190717-cvdsd-wmauthVendor Advisory

Timeline

Published: Jul 17, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-1917?

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.

How severe is CVE-2019-1917?

CVE-2019-1917 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 5.34% probability of exploitation in the next 30 days.

How do I fix CVE-2019-1917?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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