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Fencer Intel
medium 4.1

CVE-2020-26080 json

Cisco IoT Field Network Director Improper Domain Access Control Vulnerability

published 5y ago modified 4mo 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

Summary

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

  • cisco iot_field_network_director 4.6.1

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Sources

Fencer Intel 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.