CVE-2021-1382
MEDIUMCisco IOS XE < 17.3.3 - Authenticated OS Command Injection via CLI
Title source: llmDescription
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root privileges.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwcinj-t68PPW7m
Exploit, Third Party Advisory x_refsource_misc
https://github.com/orangecertcc/security-research/security/advisories/GHSA-7xfm-92p7-qc57
Scores
CVSS v3
6.0
EPSS
0.0007
EPSS Percentile
22.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/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 (1)
cisco/ios_xe
< 17.3.3
Published
Mar 24, 2021
Tracked Since
Feb 18, 2026