CVE-2023-32171CWE-476

Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability

Medium · published May 3, 2024

CVSS v3.0
6.5
EPSS
1%
Percentile
71.4
In the wild
Unconfirmed
What it is

Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability.

The specific flaw exists within the ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495.

The record
Technical detail
CVSS v3.0
6.5 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01356 · 71.4th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2024-05-03T01:56Z
EPSS history
Timeline
  • 03 MAY 01:56Z
    Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability
    cvelistv5