What’s Vulnerable › Vulnerabilities

CVE-2020-3392: Cisco IoT Field Network Director Missing API Authentication Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-18 · updated 2026-06-17
• Weakness: CWE-306

Description

A vulnerability in the API of Cisco IoT Field Network Director (FND) could allow an unauthenticated, remote attacker to view sensitive information on an affected system. The vulnerability exists because the affected software does not properly authenticate API calls. An attacker could exploit this vulnerability by sending API requests to an affected system. A successful exploit could allow the attacker to view sensitive information on the affected system, including information about the devices that the system manages, without authentication.

Affected products

• Cisco IoT Field Network Director (IoT-FND): before 4.6.1 — fixed in 4.6.1

How to fix

Upgrade to a fixed version: Cisco IoT Field Network Director (IoT-FND) 4.6.1. Check the vendor advisory for mitigations.

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-APIA-xZntFS2V
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-APIA-xZntFS2V

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