CVE-2024-20398

HIGH

Cisco IOS XR - Privilege Escalation

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 8.8
EPSS 0.0024
EPSS Percentile 46.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Products (50)
cisco/ios_xr 6.5.1
cisco/ios_xr 6.5.2
cisco/ios_xr 6.5.3
cisco/ios_xr 6.5.15
cisco/ios_xr 6.5.25
cisco/ios_xr 6.5.26
cisco/ios_xr 6.5.28
cisco/ios_xr 6.5.29
cisco/ios_xr 6.5.31
cisco/ios_xr 6.5.32
... and 40 more
Published Sep 11, 2024
Tracked Since Feb 18, 2026