CVE-2021-1454

MEDIUM

Cisco IOS XE SD-WAN - Privilege Escalation

Title source: llm

Description

Multiple vulnerabilities in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system with root privileges. These vulnerabilities are due to insufficient input validation of certain CLI commands. An attacker could exploit these vulnerabilities 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 access the underlying operating system with root privileges.

Scores

CVSS v3 6.0
EPSS 0.0011
EPSS Percentile 29.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Classification

CWE
CWE-88 CWE-20
Status published

Affected Products (2)

cisco/ios_xe
cisco/ios_xe_sd-wan

Timeline

Published Mar 24, 2021
Tracked Since Feb 18, 2026