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CVE-2026-20129

CRITICAL CVSS: 9.8 Published: 2026-02-25 Modified: 2026-06-17

Description

A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain access to an affected system as a user who has the netadmin role. The vulnerability is due to improper authentication for requests that are sent to the API. An attacker could exploit this vulnerability by sending a crafted request to the API of an affected system. A successful exploit could allow the attacker to execute commands with the privileges of the netadmin role. Note: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability. 

Affected Platforms

Cisco Catalyst Sd-Wan Manager

Weakness Type

CWE-287

References