dbcve.org
QuickopcApplication · Opclabs

CVE-2022-2561

HIGH · 7.8 CVSS v3.1 Published 2023-03-29
Fix available
A fix is available. Upgrade to 5.63.246 or later.
See remediation →
81/100
Remediation priority · High
No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OPC Labs QuickOPC 2022.1. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of XML files in Connectivity Explorer. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-16596.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

This is a deserialization vulnerability in OPC Labs QuickOPC 2022.1's Connectivity Explorer component. The application fails to properly validate user-supplied data when processing XML files, allowing an attacker to deserialize untrusted data and execute arbitrary code in the context of the current process. Exploitation requires user interaction—either opening a malicious XML file or visiting a malicious page.

MitigationImplement strict validation of XML input data and use safe deserialization practices (e.g., allowlist-based validation, avoiding unsafe deserializers) when processing XML files in Connectivity Explorer. User awareness training to avoid opening untrusted XML files adds a defense-in-layer control.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
QuickopcApplication
Affected:>= 5.63, < 5.63.246

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Verify QuickOPC installation version
    Locate and inspect the installed QuickOPC version information through the application's About dialog, Windows Programs and Features list, or by checking version metadata in the installation directory.
    Affected if The installed version falls within the range >= 5.63 and < 5.63.246
  2. Confirm Connectivity Explorer component presence
    Check if the Connectivity Explorer component is installed or accessible within the QuickOPC application suite. This component is typically found in the main QuickOPC installation under the Connectivity Explorer module.
    Affected if The Connectivity Explorer component is present and functional on the system
  3. Identify XML file processing usage
    Review recent activity logs, recent files, or temporary directories for XML files that may have been opened or processed through Connectivity Explorer. The vulnerability triggers when the application processes untrusted XML input.
    Affected if XML files have been opened or processed through the Connectivity Explorer component
  4. Inspect deserialization configuration
    Examine application configuration files or registry entries related to XML deserialization settings within the QuickOPC installation directory or user profile.
    Affected if XML deserialization is enabled without strict input validation or allowlist-based controls

A user is affected if they have QuickOPC version 5.63 or higher but lower than 5.63.246 installed AND the Connectivity Explorer component processes XML files from untrusted sources.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 5.63.246 or later
Fixed in 5.63.246
Interim mitigation

Implement strict validation of XML input data and use safe deserialization practices (e.g., allowlist-based validation, avoiding unsafe deserializers) when processing XML files in Connectivity Explorer. User awareness training to avoid opening untrusted XML files adds a defense-in-layer control.

Recommended fix Moderate confidence

QuickOPC 5.63.246 or later

  1. Back up your current QuickOPC installation and any associated data before upgrading
  2. Obtain QuickOPC version 5.63.246 or later from the official vendor source (kb.opclabs.com)
  3. Install the updated version following the vendor's standard installation procedures
  4. After installation, verify that Connectivity Explorer processes XML files correctly
  5. Confirm the version number reflects the update (5.63.246 or higher)

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Quickopc Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,490
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-2561 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data