CVE-2023-39480 MEDIUM

CVE-2023-39480: Softing Secure Integration Server FileDirectory OPC UA Object Arbitrary File Creation Vulnerability

Vendor Softing
Product Secure Integration Server
Weakness CWE-552 · Files accessible externally
Published May 3, 2024
Last update August 2, 2024
View on NVD All CVEs

CVSS base score

4.4/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N

What the vulnerability does

01Description

Softing Secure Integration Server FileDirectory OPC UA Object Arbitrary File Creation Vulnerability. This vulnerability allows remote attackers to create arbitrary files on affected installations of Softing Secure Integration Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of FileDirectory OPC UA Objects. The issue results from allowing unauthorized access to the filesystem. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-20549.

Key dates

02Disclosure timeline

May 3, 2024 CVE published
August 2, 2024 Record updated