CVE-2024-20398CWE-78

Cisco IOS XR Software Local Privilege Escalation Vulnerability

High · published September 11, 2024

CVSS v3.1
8.8
EPSS
0%
Percentile
10.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00212 · 10.9th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2024-09-11T16:38Z
EPSS history
Timeline
  • 11 SEP 16:38Z
    Cisco IOS XR Software Local Privilege Escalation Vulnerability
    cvelistv5