CVE-2022-33916: OPCFoundation.NetStandard.Opc.Ua.Server Exposure Of Sensitive Information Vulnerability

MODERATE
Advisory Identifier: GHSA-mw9h-hcp7-fgc6
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CVSS 5.3
CWE-200
Published
Advisory Summary

CVE-2022-33916 is a MODERATE (CVSS 5.3) exposure of sensitive information vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting OPCFoundation.NetStandard.Opc.Ua.Server libraries in the NuGet ecosystem. The issue involves exposure of sensitive information in opcfoundation.netstandard.opc.ua.server. Remediation is available by upgrading affected packages to version 1.4.370.9.

CVE-2022-33916 at a Glance

CVE Identifier CVE-2022-33916
GHSA Identifier GHSA-mw9h-hcp7-fgc6
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Product OPCFoundation.NetStandard.Opc.Ua.Server
Package Ecosystem NuGet
Published Date
Last Updated

Security Impact

CVSS: 5.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2022-33916

To remediate this vulnerability, upgrade all affected OPCFoundation.NetStandard.Opc.Ua.Server dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

OPCFoundation.NetStandard.Opc.Ua.Server fixed: 1.4.370.9 
Upgrade OPCFoundation.NetStandard.Opc.Ua.Server to 1.4.370.9
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for OPCFoundation.NetStandard.Opc.Ua.Server

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-33916, inspect your project dependencies for OPCFoundation.NetStandard.Opc.Ua.Server:

inspect dependencies for OPCFoundation.NetStandard.Opc.Ua.Server

Analyze the terminal output to locate any version of OPCFoundation.NetStandard.Opc.Ua.Server in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.4.370.9), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In OPCFoundation.NetStandard.Opc.Ua.Server, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.

CVE-2022-33916 Affected OPCFoundation.NetStandard.Opc.Ua.Server Versions

1 component(s)
Fixed Versions:
1.4.370.9
Product / Package Ecosystem Affected Versions Fixed Version
OPCFoundation.NetStandard.Opc.Ua.Server
nuget/OPCFoundation.NetStandard.Opc.Ua.Server
NuGet
< 1.4.370.9
1.4.370.9

References

NVD — CVE-2022-33916 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-33916
Security Fix Commit FIX COMMIT
https://github.com/OPCFoundation/UA-.NETStandard/commit/313aa2a2499d8690cf719a67176e131517bb8b78
OPCFoundation.NetStandard.Opc.Ua.Server Security Information SECURITY
https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-33916.pdf
OPCFoundation.NetStandard.Opc.Ua.Server Source Repository REPOSITORY
https://github.com/OPCFoundation/UA-.NETStandard

Frequently Asked Questions

What is CVE-2022-33916?
CVE-2022-33916 is a security vulnerability in OPCFoundation.NetStandard.Opc.Ua.Server involving Exposure of Sensitive Information in OPCFoundation.NetStandard.Opc.Ua.Server under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor.
Which OPCFoundation.NetStandard.Opc.Ua.Server versions are affected?
Affected versions include releases prior to 1.4.370.9 across affected packages: OPCFoundation.NetStandard.Opc.Ua.Server.
What version fixes CVE-2022-33916?
Upgrading to 1.4.370.9 (or the latest patched release for your respective branch) resolves the vulnerability.
Is OPCFoundation.NetStandard.Opc.Ua.Server affected?
Yes, OPCFoundation.NetStandard.Opc.Ua.Server is affected in releases prior to 1.4.370.9. Upgrade your dependency to 1.4.370.9 or later.
What is the CVSS score of CVE-2022-33916?
CVE-2022-33916 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2022-33916?
CVE-2022-33916 is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.).
How can I check NuGet dependencies for CVE-2022-33916?
Run the dependency tree command: 'inspect dependencies for OPCFoundation.NetStandard.Opc.Ua.Server'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-mw9h-hcp7-fgc6",
  "modified" : "2022-09-01T17:39:37Z",
  "published" : "2022-08-24T00:00:32Z",
  "aliases" : [ "CVE-2022-33916" ],
  "summary" : "Exposure of Sensitive Information in OPCFoundation.NetStandard.Opc.Ua.Server",
  "details" : "OPC UA .NET Standard Reference Server 1.04.368 allows a remote attacker to cause the application to access sensitive information.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "OPCFoundation.NetStandard.Opc.Ua.Server"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.4.370.9"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-33916"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/OPCFoundation/UA-.NETStandard/commit/313aa2a2499d8690cf719a67176e131517bb8b78"
  }, {
    "type" : "WEB",
    "url" : "https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-33916.pdf"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/OPCFoundation/UA-.NETStandard"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-08-29T18:41:29Z",
    "nvd_published_at" : "2022-08-23T01:15:00Z"
  }
}