Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2022-33916
CVE-2022-33916:
C# vulnerability analysis and mitigation
Overview
The CVE-2022-33916 vulnerability affects OPC UA .NET Standard Reference Server version 1.04.368. This vulnerability allows remote attackers to access sensitive information without requiring authentication (MITRE CVE, ZDI Advisory).
Technical details
The vulnerability specifically exists within the handling of OPC UA BrowseRequests. The issue stems from the lack of authentication prior to allowing access to functionality. The CVSS score for this vulnerability is 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N), indicating a medium severity with network vector, low attack complexity, and no privileges or user interaction required (ZDI Advisory).
Impact
An attacker can leverage this vulnerability to disclose sensitive information in the context of the service. The vulnerability affects the confidentiality of the system, while integrity and availability remain unaffected (ZDI Advisory).
Mitigation and workarounds
The OPC Foundation has issued an update to correct this vulnerability. Users should update to the latest version of the software to mitigate this security issue (ZDI Advisory).
Additional resources
Source: This report was generated using AI
Related C# vulnerabilities:
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