CVE-2020-3400 HIGH

CVE-2020-3400: Cisco IOS XE Software Web UI Authorization Bypass Vulnerability

Vendor Cisco
Product Cisco IOS XE Software
Weakness CWE-862 · Missing authorization
Published September 24, 2020
Last update November 13, 2024

CVSS base score

8.8/10
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:U/C:H/I:H/A:H

What the vulnerability does

01Description

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to utilize parts of the web UI for which they are not authorized.The vulnerability is due to insufficient authorization of web UI access requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web UI. A successful exploit could allow the attacker to utilize parts of the web UI for which they are not authorized. This could allow a Read-Only user to perform actions of an Admin user.

Key dates

02Disclosure timeline

September 24, 2020 CVE published
November 13, 2024 Record updated