Details of VAR-202603-6129

ID

VAR-202603-6129

CVE

CVE-2026-20108

TITLE

Cisco Systems Cisco Catalyst SD-WAN Manager Cross-site scripting vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2026-021613

DESCRIPTION

A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of the web-based management interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. XSS This vulnerability could allow an attacker to exploit it. - Some of the information handled by the software may be overwritten. - The software will not stop

Trust: 1.62

sources: NVD: CVE-2026-20108 // JVNDB: JVNDB-2026-021613

AFFECTED PRODUCTS

vendor:	cisco	model:	catalyst sd-wan manager	scope:	lt	version:	20.18.2.1	Trust: 1.0
vendor:	cisco	model:	catalyst sd-wan manager	scope:	gte	version:	20.16	Trust: 1.0
vendor:	cisco	model:	catalyst sd-wan manager	scope:	gte	version:	20.13	Trust: 1.0
vendor:	cisco	model:	catalyst sd-wan manager	scope:	gte	version:	20.12	Trust: 1.0
vendor:	cisco	model:	catalyst sd-wan manager	scope:	eq	version:	20.12.6	Trust: 1.0
vendor:	cisco	model:	catalyst sd-wan manager	scope:	lt	version:	20.15.4.2	Trust: 1.0
vendor:	cisco	model:	catalyst sd-wan manager	scope:	lt	version:	20.12.5.3	Trust: 1.0
vendor:	シスコシステムズ	model:	cisco catalyst sd-wan manager	scope:	eq	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco catalyst sd-wan manager	scope:	eq	version:	20.12 that's all 20.12.5.3	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco catalyst sd-wan manager	scope:	eq	version:	20.13 that's all 20.15.4.2	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco catalyst sd-wan manager	scope:	-	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco catalyst sd-wan manager	scope:	eq	version:	20.12.6	Trust: 0.8
vendor:	シスコシステムズ	model:	cisco catalyst sd-wan manager	scope:	eq	version:	20.16 that's all 20.18.2.1	Trust: 0.8

sources: JVNDB: JVNDB-2026-021613 // NVD: CVE-2026-20108

CVSS

SEVERITY

CVSSV2

CVSSV3

psirt@cisco.com:	CVE-2026-20108
value:	MEDIUM
Trust: 1.0
OTHER:	JVNDB-2026-021613
value:	MEDIUM
Trust: 0.8

psirt@cisco.com:	CVE-2026-20108
baseSeverity:	MEDIUM
baseScore:	5.4
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	REQUIRED
scope:	CHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	2.3
impactScore:	2.7
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2026-021613
baseSeverity:	MEDIUM
baseScore:	5.4
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	REQUIRED
scope:	CHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2026-021613 // NVD: CVE-2026-20108

PROBLEMTYPE DATA

problemtype:	CWE-79	Trust: 1.0
problemtype:	Cross-site scripting (CWE-79) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2026-021613 // NVD: CVE-2026-20108

PATCH

title:

Cisco Catalyst SD-WAN Manager Cross-Site Scripting Vulnerability

url:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-xss-ZqkhP9W9

Trust: 0.8

sources: JVNDB: JVNDB-2026-021613

EXTERNAL IDS

db:	NVD	id:	CVE-2026-20108	Trust: 2.6
db:	JVNDB	id:	JVNDB-2026-021613	Trust: 0.8

sources: JVNDB: JVNDB-2026-021613 // NVD: CVE-2026-20108

REFERENCES

url:	https://sec.cloudapps.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-vmanage-xss-zqkhp9w9	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2026-20108	Trust: 0.8

sources: JVNDB: JVNDB-2026-021613 // NVD: CVE-2026-20108

SOURCES

db:	JVNDB	id:	JVNDB-2026-021613
db:	NVD	id:	CVE-2026-20108

LAST UPDATE DATE

2026-07-04T23:33:56.166000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2026-021613	date:	2026-06-30T02:23:00
db:	NVD	id:	CVE-2026-20108	date:	2026-06-29T18:10:12.117

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2026-021613	date:	2026-06-30T00:00:00
db:	NVD	id:	CVE-2026-20108	date:	2026-03-25T16:16:14.420