CVE-2022-37012
- State
- Published
- Severity
- 7.5 High
- Published
- Mar 29, 2023
- Updated
- Feb 18, 2025
- Reserved
- Jul 28, 2022
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 7.5 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | zdi |
Weaknesses
- CWE-911 Improper Update of Reference Count
Affected Products
| Product | Versions |
|---|---|
OPC UA C++ Demo ServerUnified Automation |
|
References
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