Unrated severityNVD Advisory· Published Feb 25, 2026· Updated Mar 20, 2026
Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability
CVE-2026-20126
Description
A vulnerability in Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker with low privileges to gain root privileges on the underlying operating system.
This vulnerability is due to an insufficient user authentication mechanism in the REST API. An attacker could exploit this vulnerability by sending a request to the REST API of the affected system. A successful exploit could allow the attacker to gain root privileges on the underlying operating system.
Affected products
2- Cisco/Cisco Catalyst SD-WAN Managerv5Range: 20.1.12
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
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