CVE-2023-39480CWE-552

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

Medium · published May 3, 2024

CVSS v3.0
4.4
EPSS
1%
Percentile
68.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
4.4 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.01213 · 68.3th percentile
Weakness
CWE-552 · Files or Directories Accessible to External Parties
Published
2024-05-03T02:10Z
EPSS history
Timeline
  • 03 MAY 02:10Z
    Softing Secure Integration Server FileDirectory OPC UA Object Arbitrary File Creation Vulnerability
    cvelistv5