CVE-2020-3227

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-264CWE-863

Affected software

No affected versions have been published.

Timeline

Published
Jun 3, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-3227: Critical severity, CVSS 9.8 | Vulnix