CVE-2024-20398 HIGH

CVE-2024-20398: Cisco IOS XR Software Local Privilege Escalation Vulnerability

Vendor Cisco
Product Cisco IOS XR Software
Weakness CWE-78
Published September 11, 2024
Last update September 12, 2024

CVSS base score

8.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to obtain read/write file system access on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI commands. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the prompt. A successful exploit could allow the attacker to elevate privileges to root.

Key dates

02Disclosure timeline

September 11, 2024 CVE published
September 12, 2024 Record updated