dbcve.org
Eh ViewApplication · Hitachi

CVE-2023-39984

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 ** Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Hitachi EH-VIEW (KeypadDesigner) allows local attackers to potentially disclose information and 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

Buffer overflow vulnerability in Hitachi EH-VIEW KeypadDesigner allows local attackers to potentially disclose sensitive information and execute arbitrary code by tricking users into opening a malicious file. The vulnerability stems from improper bounds checking when processing file input.

MitigationSince the product is no longer supported, users should migrate to a currently supported solution. If continued use is unavoidable, restrict file associations, train users to avoid untrusted files, and run the application with least privilege.

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 if Hitachi EH-VIEW KeypadDesigner is installed
    Search the system for the application executable or installation directory. Common paths include Program Files directories or application-specific folders. Use file search or check installed programs list.
    Affected if The application is found on the system, as all versions are affected by this vulnerability
  2. Confirm the application handles file input
    Check if the application has file open or import functionality, as the vulnerability stems from processing file input with improper bounds checking.
    Affected if The application can open or import external files, which triggers the vulnerable code path
  3. Identify file associations linked to the application
    Review which file extensions are associated with KeypadDesigner that could be used as attack vectors for malicious files.
    Affected if File associations exist that could cause the application to automatically process untrusted files when opened

If Hitachi EH-VIEW KeypadDesigner is installed and can process file input, the environment is affected since all versions contain the buffer overflow vulnerability in file processing.

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 no longer supported, users should migrate to a currently supported solution. If continued use is unavoidable, restrict file associations, train users to avoid untrusted files, and run the application with least privilege.

Recommended fix High confidence
  1. Discontinue use of Hitachi EH-VIEW (KeypadDesigner) as it is no longer supported by the maintainer.
  2. Assess whether EH-VIEW is essential for operations; if so, contact Hitachi for alternative solutions or migration paths to supported products.
  3. If continued use is unavoidable, implement strict access controls to limit exposure to untrusted files and restrict the attack surface.
  4. Consider network segmentation to isolate systems running legacy unsupported software.
  5. Monitor vendor communications for any potential future security advisories despite discontinued support.
Caveat Product is end-of-life with no available updates or security patches

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

Fix this in Eh View Scoped from the published advisory
  • Consultation8.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
36.0 hours of engineering $6,400
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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-2023-39984 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