CVE-2023-20252 CRITICAL

CVE-2023-20252

Vendor Cisco
Product Cisco SD-WAN vManage
Weakness CWE-862 · Missing authorization
Published September 27, 2023
Last update December 16, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A vulnerability in the Security Assertion Markup Language (SAML) APIs of Cisco Catalyst SD-WAN Manager Software could allow an unauthenticated, remote attacker to gain unauthorized access to the application as an arbitrary user. This vulnerability is due to improper authentication checks for SAML APIs. An attacker could exploit this vulnerability by sending requests directly to the SAML API. A successful exploit could allow the attacker to generate an authorization token sufficient to gain access to the application.

Key dates

02Disclosure timeline

September 27, 2023 CVE published
December 16, 2025 Record updated