CVE-2021-1529
HIGHCisco IOS XE SD-WAN - Authenticated OS Command Injection via System CLI
Title source: llmDescription
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. The vulnerability is due to insufficient input validation by the system CLI. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the system CLI. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-rhpbE34A
Scores
CVSS v3
7.8
EPSS
0.0005
EPSS Percentile
14.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/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 (3)
cisco/ios_xe
17.6.0
cisco/ios_xe
16.12 - 17.0
cisco/ios_xe_sd-wan
17.2.1r
Published
Oct 21, 2021
Tracked Since
Feb 18, 2026