CVE-2021-1384

Medium

Description

A vulnerability in Cisco IOx application hosting environment of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands into the underlying operating system as the root user. This vulnerability is due to incomplete validation of fields in the application packages loaded onto IOx. An attacker could exploit this vulnerability by creating a crafted application .tar file and loading it onto the device. A successful exploit could allow the attacker to perform command injection into the underlying operating system as the root user.

SeverityMedium
CVSS6.5
Exploit probability—
ProductCisco Ios Xe
PublishedMar 24, 2021
First seenMar 24, 2021

How to fix

Update
  • cisco ios_xe16.6.9, 16.9.7, 17.3.3, 17.4.2 or later

Affected products

ProductAffected versionsFixed in
cisco ios_xev < 16.6.9, 16.9.0 ≤ v < 16.9.7, 17.3.2 ≤ v < 17.3.3, 17.4.0 ≤ v < 17.4.2, 17.5.016.6.9, 16.9.7, 17.3.3, 17.4.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.