Cisco IoT Field Network Director Improper Domain Access Control Vulnerability

published 2020-11-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-18710

cvss: 4.1; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

A vulnerability in the user management functionality of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker to manage user information for users in different domains on an affected system. The vulnerability is due to improper domain access control. An attacker could exploit this vulnerability by manipulating JSON payloads to target different domains on an affected system. A successful exploit could allow the attacker to manage user information for users in different domains on an affected system.

Patch / fix

fixed in 1

cisco iot_field_network_director 4.6.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-13)

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.1	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
NVD	3.1	4.1	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

Cisco Cisco IoT Field Network Director (IoT-FND)

Classification

Weakness

CWE-284 Improper Access Control
CWE-269 Improper Privilege Management

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-UPWD-dCRPuQ78
vendor-advisory

Sources

CVE List CVE-2020-26080
NVD CVE-2020-26080

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary