CVE-2021-1383 MEDIUM

CVE-2021-1383: Cisco IOS XE SD-WAN Software Parameter Injection Vulnerabilities

Vendor Cisco
Product Cisco IOS XE Software
Weakness CWE-20 · Input validation
Published March 24, 2021
Last update November 8, 2024

CVSS base score

6.0/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 24, 2021 CVE published
November 8, 2024 Record updated