CVE-2022-37012CWE-911

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server…

High · published March 29, 2023

CVSS v3.0
7.5
EPSS
2%
Percentile
78.1
In the wild
Unconfirmed
What it is

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.

The record
Technical detail
CVSS v3.0
7.5 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01780 · 78.1th percentile
Weakness
CWE-911 · Improper Update of Reference Count
Published
2023-03-29T00:00Z
EPSS history
Timeline
  • 29 MAR 00:00Z
    This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server…
    cvelistv5