#VU123271 Improper access control in Catalyst SD-WAN Manager (formerly SD-WAN vManage) - CVE-2026-20133

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Main Vulnerability Database Vulnerabilities #VU123271

#VU123271 Improper access control in Catalyst SD-WAN Manager (formerly SD-WAN vManage) - CVE-2026-20133

Published: February 25, 2026


Vulnerability identifier: #VU123271
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-20133
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Catalyst SD-WAN Manager (formerly SD-WAN vManage)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions within the API. A remote non-authenticated attacker can bypass implemented security restrictions and gain access to sensitive information. 


Remediation

Install updates from vendor's website.

External links