Cisco Vision Dynamic Signage Director Authentication Bypass Vulnerability

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• cisco vision dynamic signage directorbefore 6.2.0
• cisco vision dynamic signage director6.2.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (cisco). Independent of NVD's CPE analysis and usually ahead of it.

• Cisco Cisco Vision Dynamic Signage Director

  • n/aaffected

Other highest-scoring records for the same primary product.

• CVE-2019-1917Cisco Vision Dynamic Signage Director REST API Authentication Bypass Vulnerability
  41Plan
• CVE-2020-3598Cisco Vision Dynamic Signage Director Missing Authentication Vulnerability
  26Monitor
• CVE-2020-3485Cisco Vision Dynamic Signage Director Role-Based Access Control Vulnerability
  25Monitor
• CVE-2021-34742Cisco Vision Dynamic Signage Director Reflected Cross-Site Scripting Vulnerability
  24Monitor
• CVE-2020-3484Cisco Vision Dynamic Signage Director Directory Traversal Information Disclosure Vulnerability
  21Monitor
• CVE-2020-3490Cisco Vision Dynamic Signage Director Path Traversal Vulnerability
  20Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

A function added for development or support ships to production without authentication. It often relies on the assumption that it is “only reachable from the internal network.”

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1// Added for the support team2app.post("/maintenance/reset", resetDevice);

1if (config.maintenanceEnabled) {2  app.post(3    "/maintenance/reset",4    requireSession, requireRole("admin"), resetDevice5  );6}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.