CVE-2021-34721
MEDIUMCisco IOS XR < 7.3.2 - Authenticated OS Command Injection via CLI
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cmd-inj-wbZKvPxc
Scores
CVSS v3
6.7
EPSS
0.0008
EPSS Percentile
23.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-78
Status
published
Products (1)
cisco/ios_xr
< 7.3.2
Published
Sep 09, 2021
Tracked Since
Feb 18, 2026