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TI-2020-02943 Aliases CVE-2020-3392GHSA-vc2p-5mxr-hx98

Cisco IoT Field Network Director Missing API Authentication Vulnerability

Priority MEDIUM 42CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01546 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco IoT Field Network Director (IoT-FND)all versions—No fix listedCNA
  • Cisco IoT Field Network Director (IoT-FND) VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:iot_field_network_director:*:*:*:*:*:*:*:*before 4.6.1VulnerableCisco
  • cpe:2.3:a:cisco:iot_field_network_director:*:*:*:*:*:*:*:* Versions before 4.6.1 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3392
  2. 2026-10-03 Alias added: GHSA-vc2p-5mxr-hx98

References

Advisory 1

  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2020-03077 Cisco IoT Field Network Director Unauthenticated REST API Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2019-01577 Cisco IoT Field Network Director TLS Renegotiation Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2019-01270 Cisco IoT Field Network Director Resource Exhaustion Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2020-15928 Cisco IoT Field Network Director Information Disclosure Vulnerability CVSS 3.1HIGH 7.5
  • TI-2020-15924 Cisco IoT Field Network Director SOAP API Authorization Bypass Vulnerability CVSS 3.1HIGH 8.7
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences