Cisco IoT Field Network Director SOAP API Authorization Bypass Vulnerability

published 2020-11-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-18702

cvss: 8.7; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits: 0; none known

A vulnerability in the SOAP API of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker to access and modify information on devices that belong to a different domain. The vulnerability is due to insufficient authorization in the SOAP API. An attacker could exploit this vulnerability by sending SOAP API requests to affected devices for devices that are outside their authorized domain. A successful exploit could allow the attacker to access and modify information on devices that belong to a different domain.

Patch / fix

fixed in 1

cisco iot_field_network_director 4.6.1

CISA SSVC

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

Exploit prediction

1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.7	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
NVD	3.1	8.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
NVD	2.0	5.5	AV:N/AC:L/Au:S/C:P/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-AUTH-vEypBmmR
vendor-advisory

Sources

CVE List CVE-2020-26072
NVD CVE-2020-26072

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