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No exploitation reportedFix available

CVE-2020-3392

No exploitation reported by the sources we read.

  • Published2020-11-18
  • Fixed in4.6.1
  • WeaknessCWE-306

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-11-1818:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-3392?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-3392?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Cisco iot field network director
BranchAffectedFixed in
4.6< 4.6.14.6.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Cisco iot field network director to 4.6.1

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2024-11-13
  • OpenCVESSVC decisionnone—
  • NVDCVSS 3.17.5read 2026-10-23
  • CNACVSS 3.07.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-306read 2026-10-23
  • NVDweakness (CWE)CWE-306read 2026-10-23
  • FIRST EPSSEPSS score1.5 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2020-11-18
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-3392?

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.

Is CVE-2020-3392 actively exploited?

Active exploitation of CVE-2020-3392 has not been confirmed. Its EPSS score was 1.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-3392?

CVE-2020-3392 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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