CVE-2020-3374 CRITICAL

CVE-2020-3374: Cisco SD-WAN vManage Software Authorization Bypass Vulnerability

Vendor Cisco
Product Cisco SD-WAN vManage
Weakness CWE-285
Published July 31, 2020
Last update November 13, 2024

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization, enabling them to access sensitive information, modify the system configuration, or impact the availability of the affected system. The vulnerability is due to insufficient authorization checking on the affected system. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web-based management interface of an affected system. A successful exploit could allow the attacker to gain privileges beyond what would normally be authorized for their configured user authorization level. The attacker may be able to access sensitive information, modify the system configuration, or impact the availability of the affected system.

Key dates

02Disclosure timeline

July 31, 2020 CVE published
November 13, 2024 Record updated