CVE-2023-44194 HIGH

CVE-2023-44194: Junos OS: An unauthenticated attacker with local access to the device can create a backdoor with root privileges

Vendor Juniper Networks
Product Junos OS
Weakness CWE-276
Published October 12, 2023
Last update February 27, 2025

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

An Incorrect Default Permissions vulnerability in Juniper Networks Junos OS allows an unauthenticated attacker with local access to the device to create a backdoor with root privileges. The issue is caused by improper directory permissions on a certain system directory, allowing an attacker with access to this directory to create a backdoor with root privileges. This issue affects Juniper Networks Junos OS: * All versions prior to 20.4R3-S5; * 21.1 versions prior to 21.1R3-S4; * 21.2 versions prior to 21.2R3-S4; * 21.3 versions prior to 21.3R3-S3; * 21.4 versions prior to 21.4R3-S1.

Key dates

02Disclosure timeline

October 12, 2023 CVE published
February 27, 2025 Record updated