VULNERABILITY INTELLIGENCE
CVE-2021-1384
CVSS score6.5 MEDIUM
EPSS probability35.39%
CISA KEVNot currently listed
Published2021-03-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
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.
Weakness classification
- psirt@cisco.com: CWE-77
- nvd@nist.gov: CWE-78
Primary references
- psirt@cisco.com — Exploit, Third Party Advisory
- psirt@cisco.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory