Details of VAR-202605-4743

ID

VAR-202605-4743

CVE

CVE-2026-20167

TITLE

Cisco Systems Cisco IoT Field Network Director access control vulnerabilities in

Trust: 0.8

sources: JVNDB: JVNDB-2026-021744

DESCRIPTION

A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to cause a DoS condition on a remotely managed router. This vulnerability is due to improper error handling. An attacker could exploit this vulnerability by submitting crafted input to the web-based management interface. A successful exploit could allow the attacker to request unauthorized files from a remote router, causing the router to reload and resulting in a DoS condition. DoS This can lead to a certain condition. DoS The condition occurs.- No information handled by the software will be leaked to external parties. - No information handled by the software will be rewritten. - The software may completely shut down

Trust: 1.62

sources: NVD: CVE-2026-20167 // JVNDB: JVNDB-2026-021744

AFFECTED PRODUCTS

vendor:	cisco	model:	iot field network director	scope:	lt	version:	5.0.0-117	Trust: 1.0
vendor:	シスコシステムズ	model:	cisco iot field network director	scope:	-	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco iot field network director	scope:	eq	version:	5.0.0-117	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco iot field network director	scope:	eq	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2026-021744 // NVD: CVE-2026-20167

CVSS

SEVERITY

CVSSV2

CVSSV3

psirt@cisco.com:	CVE-2026-20167
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2026-021744
value:	HIGH
Trust: 0.8

psirt@cisco.com:	CVE-2026-20167
baseSeverity:	HIGH
baseScore:	7.7
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.1
impactScore:	4.0
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2026-021744
baseSeverity:	HIGH
baseScore:	7.7
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2026-021744 // NVD: CVE-2026-20167

PROBLEMTYPE DATA

problemtype:	CWE-284	Trust: 1.0
problemtype:	Inappropriate access control (CWE-284) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2026-021744 // NVD: CVE-2026-20167

PATCH

title:

Cisco IoT Field Network Director Vulnerabilities

url:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iot-fnd-dos-n8N26Q4u

Trust: 0.8

sources: JVNDB: JVNDB-2026-021744

EXTERNAL IDS

db:	NVD	id:	CVE-2026-20167	Trust: 2.6
db:	JVNDB	id:	JVNDB-2026-021744	Trust: 0.8

sources: JVNDB: JVNDB-2026-021744 // NVD: CVE-2026-20167

REFERENCES

url:	https://sec.cloudapps.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-iot-fnd-dos-n8n26q4u	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2026-20167	Trust: 0.8

sources: JVNDB: JVNDB-2026-021744 // NVD: CVE-2026-20167

SOURCES

db:	JVNDB	id:	JVNDB-2026-021744
db:	NVD	id:	CVE-2026-20167

LAST UPDATE DATE

2026-07-04T23:47:05.304000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2026-021744	date:	2026-07-01T01:57:00
db:	NVD	id:	CVE-2026-20167	date:	2026-06-30T20:39:20.010

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2026-021744	date:	2026-07-01T00:00:00
db:	NVD	id:	CVE-2026-20167	date:	2026-05-06T17:16:20.433