dbcve.org
Eh ViewApplication · Hitachi

CVE-2023-3495

HIGH · 7.8 CVSS v3.1 Published 2023-08-23
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
** UNSUPPORTED WHEN ASSIGNED ** Out-of-bounds Write vulnerability in Hitachi EH-VIEW (KeypadDesigner) allows local attackers to potentially execute arbitray code on affected EH-VIEW installations. User interaction is required to exploit the vulnerabilities in that the user must open a malicious file. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

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

Out-of-bounds Write vulnerability in Hitachi EH-VIEW KeypadDesigner allows local attackers to potentially execute arbitrary code via a malicious file that must be opened by the user. This is a memory corruption vulnerability with high severity (CVSS 7.8).

MitigationSince the product is unsupported with no official patch available, organizations should identify and decommission affected installations, or implement compensating controls such as endpoint protection, application whitelisting, and user training to avoid opening untrusted files.

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
Eh ViewApplication
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 Hitachi EH-VIEW installation
    Check for Hitachi EH-VIEW KeypadDesigner in the system registry under HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall or look in Program Files for a Hitachi or EH-VIEW folder
    Affected if The software is present on the system
  2. Identify installed version
    Open the application or check version info in the executable properties (right-click on KeypadDesigner.exe and select Properties > Details)
    Affected if Any version number is returned - all versions are affected
  3. Confirm KeypadDesigner component
    Locate the KeypadDesigner executable file within the EH-VIEW installation directory
    Affected if The KeypadDesigner.exe file exists on the system
  4. Check for recent file access
    Review recent documents or temporary folders for .kpd or other proprietary file types that may have been opened from untrusted sources
    Affected if Suspicious files from unknown sources were opened recently

If Hitachi EH-VIEW KeypadDesigner is installed on the system, the user is affected since all versions are vulnerable to this out-of-bounds write flaw.

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
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Since the product is unsupported with no official patch available, organizations should identify and decommission affected installations, or implement compensating controls such as endpoint protection, application whitelisting, and user training to avoid opening untrusted files.

Recommended fix Low confidence
  1. This vulnerability affects Hitachi EH-VIEW (KeypadDesigner) which is explicitly noted as UNSUPPORTED and no longer maintained by the vendor.
  2. As the product is no longer supported, there is no official patch or upgrade path available from Hitachi.
  3. Consider migrating to an actively supported alternative product if available.
  4. If migration is not possible, isolate the affected system from untrusted inputs and restrict local access to minimize exploitation risk.
  5. Monitor www.hitachi.com for any future security advisories regarding this product.

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

Fix this in Eh View Scoped from the published advisory
  • Consultation4.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,640
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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-2023-3495 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