CVE-2020-3392— Cisco IoT Field Network Director Missing API Authentication Vulnerability
Quick assessment
Affected
Cisco Cisco IoT Field Network Director (IoT-FND)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Cisco IoT Field Network Director（IoT-FND）是美国思科（Cisco）公司的一套端到端的物联网管理系统。该系统具有设备管理、资产跟踪和智能计量等功能。 Cisco IoT Field Network Director (FND）存在安全漏洞，该漏洞源于受影响的软件没有正确地验证API调用，攻击者可利用该漏洞查看受影响系统上的敏感信息。成功利用该漏洞可以让攻击者在不进行身份验证的情况下查看受影响系统上的敏感信息，包括系统管理的设备的信息。
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I. Basic Information for CVE-2020-3392
Vulnerability Information
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Vulnerability Title
Cisco IoT Field Network Director Missing API Authentication Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IoT Field Network Director 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IoT Field Network Director（IoT-FND）是美国思科（Cisco）公司的一套端到端的物联网管理系统。该系统具有设备管理、资产跟踪和智能计量等功能。 Cisco IoT Field Network Director (FND）存在安全漏洞，该漏洞源于受影响的软件没有正确地验证API调用，攻击者可利用该漏洞查看受影响系统上的敏感信息。成功利用该漏洞可以让攻击者在不进行身份验证的情况下查看受影响系统上的敏感信息，包括系统管理的设备的信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco IoT Field Network Director (IoT-FND) | n/a | - |
|
II. Public POCs for CVE-2020-3392
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-3392 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-APIA-xZntFS2V vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2020-11-18 · 19 CVEs total
| CVE-2020-3470 | 9.8 CRITICAL | Cisco Integrated Management Controller Multiple Remote Code Execution Vulnerabilities |
| CVE-2020-3586 | 9.4 CRITICAL | Cisco DNA Spaces Connector Command Injection Vulnerability |
| CVE-2020-3471 | 6.5 MEDIUM | Cisco Webex Meetings and Cisco Webex Meetings Server Unauthorized Audio Information Exposu |
| CVE-2020-3419 | 6.5 MEDIUM | Cisco Webex Meetings and Cisco Webex Meetings Server Ghost Join Vulnerability |
| CVE-2020-27126 | 6.1 MEDIUM | Cisco Webex Meetings API Cross-Site Scripting Vulnerability |
| CVE-2020-26068 | 5.5 MEDIUM | Cisco Telepresence CE Software and RoomOS Software Unauthorized Token Generation Vulnerabi |
| CVE-2020-3441 | 5.3 MEDIUM | Cisco Webex Meetings and Cisco Webex Meetings Server Information Disclosure Vulnerability |
| CVE-2020-26078 | Cisco IoT Field Network Director File Overwrite Vulnerability | |
| CVE-2020-26079 | Cisco IoT Field Network Director Unprotected Storage of Credentials Vulnerability | |
| CVE-2020-26080 | Cisco IoT Field Network Director Improper Domain Access Control Vulnerability | |
| CVE-2020-26081 | Cisco IoT Field Network Director Cross-Site Scripting Vulnerabilities | |
| CVE-2020-3367 | Cisco Secure Web Appliance Privilege Escalation Vulnerability | |
| CVE-2020-26077 | Cisco IoT Field Network Director Improper Access Control Vulnerability | |
| CVE-2020-26076 | Cisco IoT Field Network Director Information Disclosure Vulnerability | |
| CVE-2020-26075 | Cisco IoT Field Network REST API Insufficient Input Validation Vulnerability | |
| CVE-2020-3482 | Cisco Expressway Software Unauthorized Access Information Disclosure Vulnerability | |
| CVE-2020-3531 | Cisco IoT Field Network Director Unauthenticated REST API Vulnerability | |
| CVE-2020-26072 | Cisco IoT Field Network Director SOAP API Authorization Bypass Vulnerability |
IV. Related Vulnerabilities
Same product: Cisco IoT Field Network Director (IoT-FND)
-
CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser -
CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi -
CVE-2026-20168
Cisco IoT Field Network Director Path Traversal Vulnerabilit -
CVE-2020-3531
Cisco IoT Field Network Director Unauthenticated REST API Vu -
CVE-2020-26081
Cisco IoT Field Network Director Cross-Site Scripting Vulner
Same vendor: Cisco
-
CVE-2026-76426
Cisco ISE REST API SQL Injection Vulnerability -
CVE-2026-20121
CIsco FTD Bypass Access List -
CVE-2026-76431
Cisco Identity Services Engine Arbitrary File Deletion Vulne -
CVE-2026-76427
Cisco ISE XML External Entity Injection Vulnerability -
CVE-2026-76447
Cisco Identity Services Engine Certificate Reload Vulnerabil
Same weakness: CWE-306
V. Comments for CVE-2020-3392
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