#VU123270 Unprotected storage of credentials in Catalyst SD-WAN Manager (formerly SD-WAN vManage) - CVE-2026-20128

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Main Vulnerability Database Vulnerabilities #VU123270

#VU123270 Unprotected storage of credentials in Catalyst SD-WAN Manager (formerly SD-WAN vManage) - CVE-2026-20128

Published: February 25, 2026


Vulnerability identifier: #VU123270
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20128
CWE-ID: CWE-256
Exploitation vector: Local 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 local user to gain access to other users' credentials.

The vulnerability exists due to presence of a credential file for the DCA user. A local user can view contents of the configuration file and gain access to passwords for 3rd party integration.


Remediation

Install updates from vendor's website.

External links