Arbitrary file upload in Juniper Junos OS - CVE-2023-36851

 

Arbitrary file upload in Juniper Junos OS - CVE-2023-36851

Published: September 11, 2023 / Updated: November 13, 2023


Vulnerability identifier: #VU80622
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2023-36851
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to missing authentication when uploading files via J-Web. A remote non-authenticated attacker can upload a malicious file and execute it on the system.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2023-36851

Install updates from vendor's website.

Sources