CVE-2020-3227

CRITICAL

Cisco IOS XE - Unauthenticated API Command Execution via Crafted Token Request

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0636
EPSS Percentile 91.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-264 CWE-863
Status published
Products (50)
cisco/ios_xe 3.11.6e
cisco/ios_xe 16.3.1
cisco/ios_xe 16.3.1a
cisco/ios_xe 16.3.2
cisco/ios_xe 16.3.3
cisco/ios_xe 16.3.4
cisco/ios_xe 16.3.5
cisco/ios_xe 16.3.5b
cisco/ios_xe 16.3.6
cisco/ios_xe 16.3.7
... and 40 more
Published Jun 03, 2020
Tracked Since Feb 18, 2026