VULNERABILITY INTELLIGENCE
CVE-2021-34722
CVSS score6.7 MEDIUM
EPSS probability0.28%
CISA KEVNot currently listed
Published2021-09-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.
Weakness classification
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Primary references
- psirt@cisco.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory