CVE-2023-39480 - CVE House
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Status published Medium CVE-2023-39480

Softing Secure Integration Server FileDirectory OPC UA Object Arbitrary File Creation Vulnerability

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Secure Integration Server
Vulnerable Versions:
1.22.0.8686

Timeline

Official Publish: May 3rd, 2024
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N

Weaknesses (CWE)

CWE-552

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1083 File and Directory Discovery
Discovery
T1005 Data from Local System
Collection
T1041 Exfiltration Over C2 Channel
Exfiltration
T1565 Data Manipulation
Impact