CVE-2026-20126
Received
Received - Intake
Privilege Escalation via REST API in Cisco Catalyst SD-WAN Manager
Publication date: 2026-02-25
Last updated on: 2026-03-04
Assigner: Cisco Systems, Inc.
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| cisco | catalyst_sd-wan_manager | to 20.9.8.2 (exc) |
| cisco | catalyst_sd-wan_manager | From 20.11 (inc) to 20.12.5.3 (exc) |
| cisco | catalyst_sd-wan_manager | From 20.13 (inc) to 20.15.4.2 (exc) |
| cisco | catalyst_sd-wan_manager | From 20.16 (inc) to 20.18.2.1 (exc) |
| cisco | catalyst_sd-wan_manager | 20.12.6 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-648 | The product does not conform to the API requirements for a function call that requires extra privileges. This could allow attackers to gain privileges by causing the function to be called incorrectly. |
