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CVE-2026-20210

MEDIUM CVSS: 5.4 Published: 2026-05-14 Modified: 2026-06-29

Description

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.

Affected Platforms

Cisco Catalyst Sd-Wan Manager

Weakness Type

CWE-779

References