Cisco Catalyst SD-WAN Manager XSS (cisco-sa-vmanage-xss-ZqkhP9W9)

medium Nessus Plugin ID 303632

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco SD-WAN Viptela Software is affected by a vulnerability.

- 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. (CVE-2026-20108)

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwq92731

See Also

http://www.nessus.org/u?a529f83c

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwq92731

Plugin Details

Severity: Medium

ID: 303632

File Name: cisco-sa-vmanage-xss-ZqkhP9W9.nasl

Version: 1.1

Type: local

Family: CISCO

Published: 3/25/2026

Updated: 3/25/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.8

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

CVSS Score Source: CVE-2026-20108

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:sd-wan_firmware

Required KB Items: Cisco/Viptela/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 3/25/2026

Vulnerability Publication Date: 3/25/2026

Reference Information

CVE: CVE-2026-20108

CWE: 79

CISCO-SA: cisco-sa-vmanage-xss-ZqkhP9W9

CISCO-BUG-ID: CSCwq92731