CVE-2020-3485 Cisco Vision Dynamic Signage Director Role-Based Access Control Vulnerability
An authenticated attacker can bypass RBAC restrictions to view and delete unauthorized screen content in Cisco Vision Dynamic Signage Director.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3485?
CVE-2020-3485 is a medium-severity missing authorization vulnerability in Cisco Vision Dynamic Signage Director, published on 26 Aug 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the role-based access control (RBAC) functionality of the web management software of Cisco Vision Dynamic Signage Director could allow an authenticated, remote attacker to access resources that they should not be able to access and perform actions that they should not be able to perform. The vulnerability exists because the web management software does not properly handle RBAC. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to view and delete certain screen content on the system that the attacker would not normally have privileges to access.
Which versions are affected by CVE-2020-3485?
It affects 1 product.
Products include Cisco Vision Dynamic Signage Director.
How do I fix CVE-2020-3485?
No fix has been published for CVE-2020-3485 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-3485 being exploited?
There is no known exploitation of CVE-2020-3485 in the wild and no public exploit code.
Other vulnerabilities in Cisco Vision Dynamic Signage Director
- CVE-2019-1917 Cisco Vision Dynamic Signage Director REST API Authentication Bypass Vulnerability
- CVE-2020-3598 Cisco Vision Dynamic Signage Director Missing Authentication Vulnerability
- CVE-2019-16004 Cisco Vision Dynamic Signage Director Authentication Bypass Vulnerability
- CVE-2021-34742 Cisco Vision Dynamic Signage Director Reflected Cross-Site Scripting Vulnerability
- CVE-2020-3491 Cisco Vision Dynamic Signage Director Stored Cross-Site Scripting Vulnerability
Sources
Also known as GHSA-ccmf-v5qq-f4h8.