CVE-2024-20343

MEDIUM

Cisco IOS XR - Authenticated Arbitrary File Read via CLI Command Argument Validation Bypass

Title source: llm
STIX 2.1

Description

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to read any file in the file system of the underlying Linux operating system. The attacker must have valid credentials on the affected device. This vulnerability is due to incorrect validation of the arguments that are passed to a specific CLI command. An attacker could exploit this vulnerability by logging in to an affected device with low-privileged credentials and using the affected command. A successful exploit could allow the attacker access files in read-only mode on the Linux file system.

Scores

CVSS v3 5.5
EPSS 0.0011
EPSS Percentile 28.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-284
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 6.5.92
cisco/ios_xr 6.5.93
cisco/ios_xr 6.6.1
cisco/ios_xr 6.6.2
cisco/ios_xr 6.6.3
cisco/ios_xr 6.6.4
... and 40 more
Published Sep 11, 2024
Tracked Since Feb 18, 2026