HomeCiscoCVE-2026-20129

CVE-2026-20129

CRITICAL
9.8CVSS
Published: 2026-02-25
Updated: 2026-02-25
AI Analysis

Description

A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain access to an affected system as a user who has the netadmin role. The vulnerability is due to improper authentication for requests that are sent to the API. An attacker could exploit this vulnerability by sending a crafted request to the API of an affected system. A successful exploit could allow the attacker to execute commands with the privileges of the netadmin role. Note: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability. 

CVSS Metrics

Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
network
Complexity
low
Privileges
none
User Action
none
Scope
unchanged
Confidentiality
high
Integrity
high
Availability
high
Weaknesses
CWE-287

Metadata

Primary Vendor
CISCO
Published
2/25/2026
Last Modified
2/25/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

Cisco : Refer to Description

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