CVE-2021-1514

HIGH

Cisco SD-WAN Software - Authenticated OS Command Injection via CLI

Title source: llm
STIX 2.1

Description

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with Administrator 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 a low-privileged user to execute the affected commands. A successful exploit could allow the attacker to execute commands with Administrator privileges.

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0007
EPSS Percentile 21.7%
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 partial

Details

CWE
CWE-78 CWE-20
Status published
Products (13)
cisco/catalyst_sd-wan_manager 20.1 - 20.1.1
cisco/sd-wan_vbond_orchestrator < 18.3
cisco/sd-wan_vmanage < 18.3
cisco/vedge-100b_firmware < 18.3
cisco/vedge_1000_firmware < 18.3
cisco/vedge_100_firmware < 18.3
cisco/vedge_100b_firmware < 18.3
cisco/vedge_100m_firmware < 18.3
cisco/vedge_100wm_firmware < 18.3
cisco/vedge_2000_firmware < 18.3
... and 3 more
Published May 06, 2021
Tracked Since Feb 18, 2026