CVE-2020-3227 CRITICAL

CVE-2020-3227: Cisco IOx for IOS XE Software Privilege Escalation Vulnerability

Vendor Cisco
Product Cisco IOS XE Software 16.3.1
Weakness CWE-264
Published June 3, 2020
Last update November 15, 2024

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:3.0/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 authorization controls for the Cisco IOx application hosting infrastructure in Cisco IOS XE Software could allow an unauthenticated, remote attacker to execute Cisco IOx API commands without proper authorization. The vulnerability is due to incorrect handling of requests for authorization tokens. An attacker could exploit this vulnerability by using a crafted API call to request such a token. An exploit could allow the attacker to obtain an authorization token and execute any of the IOx API commands on an affected device.

Key dates

02Disclosure timeline

June 3, 2020 CVE published
November 15, 2024 Record updated