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WinproladderApplication · Fatek

CVE-2021-38442

HIGH · 7.8 CVSS v3.1 Published 2021-10-18
Fix available
A fix is available. Upgrade to after 3.30 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
FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in a heap-corruption condition. An attacker could leverage this vulnerability to execute code in the context of the current process.

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 · moderate confidence

WinProladder versions 3.30 and prior fail to properly validate user-supplied data when parsing project files, leading to heap corruption that can be leveraged for code execution in the context of the current process.

MitigationAvoid opening untrusted project files; contact FATEK for patches; implement network segmentation and least-privilege principles to limit exposure.

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
WinproladderApplication
Affected:<= 3.30

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. Identify WinProladder installation
    Locate the WinProladder application on the system and determine its installed version. This may be found in the program files directory, or by right-clicking the executable and selecting Properties > Details to view the File Version.
    Affected if WinProladder is installed and the version is 3.30 or lower
  2. Compare version to affected range
    Compare the installed version number against the affected range: version 3.30 and all prior versions.
    Affected if The installed version is 3.30 or any version number lower than 3.30
  3. Assess project file handling
    Determine if the system has the capability to open or parse WinProladder project files (.wpl or similar extensions). This feature is part of the normal application functionality.
    Affected if WinProladder can open and parse project files, which triggers the vulnerable code path

If WinProladder version 3.30 or lower is installed and can open project files, the environment is affected by this vulnerability.

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.

From vendor data
Upgrade available Upgrade to a release after 3.30
Interim mitigation

Avoid opening untrusted project files; contact FATEK for patches; implement network segmentation and least-privilege principles to limit exposure.

Fix this in Winproladder Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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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-2021-38442 in production — separate from our analysis above.

No notes yet

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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