CVE-2021-1384

MEDIUM

Cisco IOS XE - Authenticated OS Command Injection via Crafted IOx Application Package

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 6.5
EPSS 0.1429
EPSS Percentile 94.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-78 CWE-77
Status published
Products (2)
cisco/ios_xe 17.5.0
cisco/ios_xe < 16.6.9
Published Mar 24, 2021
Tracked Since Feb 18, 2026