CVE-2019-16004 : Exploit Details and Defense Strategies
Learn about CVE-2019-16004, a vulnerability in Cisco Vision Dynamic Signage Director's REST API endpoint allowing unauthorized access. Find mitigation steps and impact details here.
Cisco Vision Dynamic Signage Director Authentication Bypass Vulnerability
Understanding CVE-2019-16004
This CVE involves a weakness in the REST API endpoint of Cisco Vision Dynamic Signage Director that could allow unauthorized access to certain API sections.
What is CVE-2019-16004?
The vulnerability in Cisco Vision Dynamic Signage Director's REST API endpoint enables attackers to bypass device authentication remotely by exploiting certain API calls lacking authentication.
The Impact of CVE-2019-16004
The vulnerability has a CVSS base score of 6.5 (Medium severity) and could lead to unauthorized access to specific API sections.
Technical Details of CVE-2019-16004
Vulnerability Description
- Lack of authentication in specific API calls
Affected Systems and Versions
- Product: Cisco Vision Dynamic Signage Director
- Vendor: Cisco
- Affected Version: n/a
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Exploitation Scope: Unchanged
- Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-provided patches or updates
- Monitor network traffic for any suspicious activity
- Restrict access to the affected API calls
Long-Term Security Practices
- Regularly update and patch software and firmware
- Conduct security assessments and audits periodically
- Implement strong authentication mechanisms
Patching and Updates
- Refer to the vendor's security advisory for patching instructions