HIGH

CVE-2021-1384

CVSS v3

7.2

HIGH

EPSS Score

16.1%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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.

Technical details

Published
3/24/2021

Frequently asked questions

What is CVE-2021-1384?

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.

Is CVE-2021-1384 actively exploited?

Active exploitation of CVE-2021-1384 has not been confirmed. The EPSS score is 16.1%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-1384?

CVE-2021-1384 has a CVSS v3 base score of 7.2 (HIGH severity).

Is CVE-2021-1384 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.