Security readout for executives and security teams
This issue affects older Cybozu Garoon versions and could let an attacker trick a logged-in user’s browser into logging out. The sources describe forced logout only, not data theft, account takeover, or code execution. Business urgency depends on whether those legacy Garoon versions are still in use. Exposure is likely limited to organizations still running Cybozu Garoon 3.0.0 through 4.2.2, especially deployments reachable by users through a browser. Treat as a low-urgency legacy application risk unless affected Garoon versions are exposed broadly or disrupting business workflows. Confirm version status and follow vendor guidance. Mitigation focus: Inventory Cybozu Garoon deployments and confirm exact versions.; Check Cybozu and JVN guidance for supported upgrade or mitigation instructions.; Prioritize remediation for internet-accessible or widely used Garoon instances..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2016-4909 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.cybozu.com/ja-jp/article/9459CVE reference · x_refsource_CONFIRM
- JVN#15222211CVE reference · third-party-advisory, x_refsource_JVN
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.