PT-2026-40961 · Cisco · Cisco Catalyst Sd-Wan Manager

Published 2026-05-14 · Updated 2026-05-14 · CVE-2026-20210

Mitre

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to modify configurations and perform unauthorized actions on an affected system.

This vulnerability exists because of a failure to redact sensitive information within device configurations and templates. An attacker could exploit this vulnerability by elevating their read-only permissions to those of a high-privileged user. A successful exploit could allow the attacker to access or modify configuration settings within Cisco Catalyst SD-WAN Manager as a high-privileged user.

Fix

Weakness Enumeration

CWE-779

Related Identifiers

CVE-2026-20210

Affected Products

Cisco Catalyst Sd-Wan Manager

References · 3

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20210 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-mltvnps2-JxpWm7R · Vendor Advisory