PT-2024-18650 · Cisco · Cisco Ios Xr

Alberto Crosta · Published 2024-09-11 · Updated 2024-10-07 · CVE-2024-20343

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco IOS XR Software (affected versions not specified)

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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Weakness Enumeration

CWE-284

CWE-684

Related Identifiers

BDU:2025-02016

CVE-2024-20343

Affected Products

Cisco Ios Xr

References · 9

• https://osv.dev/vulnerability/CVE-2024-20343 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-shellutil-HCb278wD · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-02016 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-l2services-2mvHdNuC · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-20343 · Security Note
• https://twitter.com/CVEnew/status/1833923752985591819 · Twitter Post
• https://t.me/cvenotify/97314 · Telegram Post
• https://t.me/cvenotify/94319 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1833951919414321263 · Twitter Post