CVE-2023-39480

Name: CVE-2023-39480
Creator: NVD / NIST
Published: 2024-05-03T03:15:14.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.96%

Last modified Jun 17, 2026

CVE-2023-39480 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.96%

57.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-552

Affected Software

Vendor	Product	Versions
Softing	Secure Integration Server	1.22.0.8686

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1062/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1062/Third Party Advisory

Timeline

Published: May 3, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-39480?

How severe is CVE-2023-39480?

CVE-2023-39480 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39480?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39480?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST