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TI-2026-16376 Aliases CVE-2026-20168GHSA-4q4m-pqh7-mj3f

Cisco IoT Field Network Director Path Traversal Vulnerability

Priority LOW 29CWE-388Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to retrieve files that they do not have permission to access. This vulnerability is due to insufficient file access checks. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to read files that they are not authorized to access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00272 19th 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
No
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)4.5.1; 4.4.3; 4.1.0; 4.1.3; 4.6.1; 4.1.1; 4.4.0; 4.2.0; 4.4.2; 4.3.0; 4.6.0; 4.4.4; 4.3.2; 4.1.2; 4.4.1; 4.5.0; 4.3.1; 4.7.0; 4.6.2; 4.7.1; 4.7.2; 4.8.0; 4.8.1; 4.9.0; 4.9.1; 4.10.0; 4.9.2; 4.11.0; 4.12.0; 4.12.1—No fix listedCNA
  • Cisco IoT Field Network Director (IoT-FND) VendorCisco Affected 4.5.1; 4.4.3; 4.1.0; 4.1.3; 4.6.1; 4.1.1; 4.4.0; 4.2.0; 4.4.2; 4.3.0; 4.6.0; 4.4.4; 4.3.2; 4.1.2; 4.4.1; 4.5.0; 4.3.1; 4.7.0; 4.6.2; 4.7.1; 4.7.2; 4.8.0; 4.8.1; 4.9.0; 4.9.1; 4.10.0; 4.9.2; 4.11.0; 4.12.0; 4.12.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:iot_field_network_director:*:*:*:*:*:*:*:*before 5.0.0-117VulnerableCisco
  • cpe:2.3:a:cisco:iot_field_network_director:*:*:*:*:*:*:*:* Versions before 5.0.0-117 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20168
  2. 2026-10-03 Alias added: GHSA-4q4m-pqh7-mj3f

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