CVE-2026-20126
Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability
Severity
High 8.8
CVSS 3.1
Exploited
Not listed
EPSS
0.003
22.9th percentile
Discovered by
Vendor
Vendor-published field
Published
Feb 25, 2026
Assigned by cisco
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.
Weakness: CWE-648
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Manager | Network & Security Management | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Catalyst SD-WAN Manager