Pads ViewerApplication · Siemens

CVE-2022-34276

HIGH · 7.8 CVSS v3.1 Published 2022-07-12
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
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
A vulnerability has been identified in PADS Standard/Plus Viewer (All versions). The affected application contains an out of bounds write past the end of an allocated structure while parsing specially crafted PCB files. This could allow an attacker to execute code in the context of the current process. (FG-VD-22-041)

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

PADS Standard/Plus Viewer contains an out-of-bounds write vulnerability when parsing specially crafted PCB files. The application writes past the end of an allocated memory structure during file parsing, which can be leveraged by an attacker for arbitrary code execution in the context of the current process.

MitigationAvoid opening untrusted or unverified PCB files in PADS Viewer until a vendor patch is available. Implement application whitelisting and file origin validation as compensating controls.

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
Pads ViewerApplication
Affected:all versions

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 PADS Viewer installation
    Search for PADS Viewer executable (PadsViewer.exe or similar) in common installation directories such as C:\Program Files\Siemens or C:\Program Files (x86)\Siemens, or use system search utilities
    Affected if PADS Viewer executable is found on the system
  2. Identify installed version
    Right-click the PADS Viewer executable, select Properties, and check the Details tab for version information, or check the application's About or Help menu for version details
    Affected if Any version of PADS Viewer is installed (all versions are affected)
  3. Inspect file association for PCB files
    Check Windows Registry under HKLM\SOFTWARE\Classes\.pcb or HKCU\SOFTWARE\Classes\.pcb to verify if PADS Viewer is registered as the handler for PCB file extensions
    Affected if PADS Viewer is set as the default application for .pcb files
  4. Check for recent PCB file activity
    Review Windows Recent Items folder, application logs, or jump lists for evidence that PCB files have been opened using PADS Viewer
    Affected if PCB files have been processed by PADS Viewer recently

If PADS Viewer is installed on the system and capable of opening PCB 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
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Avoid opening untrusted or unverified PCB files in PADS Viewer until a vendor patch is available. Implement application whitelisting and file origin validation as compensating controls.

Fix this in Pads Viewer Scoped from the published advisory
  • Consultation4.0 h
  • Implementation3.0 h
  • Testing4.0 h
  • Review / QA2.0 h
13.0 hours of engineering $2,300
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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-2022-34276 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