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GaroonApplication · Cybozu

CVE-2016-1216

MEDIUM · 6.1 CVSS v3.0 Published 2017-04-20
Fix available
A fix is available. Upgrade to after 4.2.1 or later.
See remediation →
68/100
Remediation priority · Elevated
Remotely reachable 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
Cross-site scripting (XSS) vulnerability in the "New appointment" function in Cybozu Garoon before 4.2.2.

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

Cross-site scripting (XSS) vulnerability in the 'New appointment' function of Cybozu Garoon allows attackers to inject malicious scripts through unsanitized input when creating appointments, potentially compromising user sessions or performing actions on behalf of authenticated users.

MitigationApply vendor patch by upgrading Cybozu Garoon to version 4.2.2 or later, which includes proper input validation and output encoding to prevent XSS attacks.

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
GaroonApplication
Affected:<= 4.2.1

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
Network
Complexity
Low
Privileges
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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 Cybozu Garoon installation version
    Access the Garoon system administration panel or check the product information page (typically found under Help > Version Info or /cgi-bin/cbgrn/grn.exe? Koj depending on installation). The version number is displayed in the system information or about section.
    Affected if The displayed version is 4.2.1 or any earlier version (4.2.0, 4.0.x, etc.)
  2. Confirm scheduling module is active
    Verify that the appointment/scheduling function is enabled in Garoon. Check the system administration settings under Application Settings > Schedule > Initial Settings to confirm the scheduling module is turned on and accessible to users.
    Affected if The scheduling module is enabled and available to authenticated users
  3. Check user access to appointment creation
    Determine if regular users have permissions to create appointments through the Schedule application. Review user roles and schedule-related permissions in the system administration panel.
    Affected if Users with standard privileges can access the 'New appointment' function

A Cybozu Garoon installation is affected if it runs version 4.2.1 or earlier AND the scheduling module with appointment creation functionality is enabled for users.

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 4.2.1
Interim mitigation

Apply vendor patch by upgrading Cybozu Garoon to version 4.2.2 or later, which includes proper input validation and output encoding to prevent XSS attacks.

Fix this in Garoon Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing4.0 h
  • Review / QA2.0 h
10.0 hours of engineering $1,720
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,752.

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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-2016-1216 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