CVE-2020-5584
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 · uneditedCybozu Garoon 4.0.0 to 5.0.1 allow remote attackers to obtain unintended information via unspecified vectors.
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 · low confidenceCybozu Garoon versions 4.0.0 through 5.0.1 contain an information disclosure vulnerability allowing remote attackers to obtain unintended information through unspecified vectors. The flaw is exploitable without authentication and has a CVSS base score of 7.5, indicating network-level attackability with low complexity.
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>= 4.0.0, <= 5.0.1CVSS 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
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 checksWork through these to decide whether this CVE applies to you.
-
Confirm Cybozu Garoon is installedIdentify if the target system runs Cybozu Garoon by checking for the web application (typically accessible via HTTP/HTTPS on the configured port, or check system inventory/asset lists for Cybozu Garoon installation records)Affected if Cybozu Garoon software is present on the system
-
Determine installed Garoon versionLog into Garoon as an administrator, then navigate to the version information page (usually found under Administration > System Settings > Version information) or query the Garoon configuration/database for the installed version numberAffected if The displayed version falls within the range 4.0.0 to 5.0.1 inclusive
-
Verify version falls within affected rangeCompare the identified version number against the affected versions: any version from 4.0.0 up to and including 5.0.1 is vulnerableAffected if Installed version is >= 4.0.0 and <= 5.0.1
-
Check if network access is exposedDetermine whether the Garoon web interface is accessible from network locations (check firewall rules, exposed IP addresses, or reverse proxy configurations)Affected if Garoon is network-accessible and the version is within the affected range (exploit is possible without authentication)
The environment is affected if Cybozu Garoon version 4.0.0 through 5.0.1 is installed and network-accessible, since the vulnerability is exploitable without authentication.
Generated from the published advisory. Verify against your own configuration.
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 dataApply the vendor patch or upgrade to a patched version of Cybozu Garoon beyond 5.0.1. Verify the upgrade in a staging environment before production deployment to ensure compatibility with existing workflows and integrations.
- Consultation3.0 h
- Implementation4.0 h
- Testing8.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,608.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-5584 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2020-5584 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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.
- 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