Home/CVE/Operation restriction bypass vulnerability in Message and Bulletin of Cybozu Garoon 4.6.0 to 5.9.2 allows a remote authe
CVE

CVE-2023-27304

Operation restriction bypass vulnerability in Message and Bulletin of Cybozu Garoon 4.6.0 to 5.9.2 allows a remote authe

Operation restriction bypass vulnerability in Message and Bulletin of Cybozu Garoon 4.6.0 to 5.9.2 allows a remote authenticated attacker to alter the data of Message and/or Bulletin.

MEDIUM · CVSS 4.3 EPSS 0.0017
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-862Missing Authorization
▤

Affected Products & Versions

1
cybozu garoon>= 4.6.0 and <= 5.9.2
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · vultures@jpcert.or.jp
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 May 2023 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cs.cybozu.co.jp/2023/007698.htmlVendor Advisory
https://jvn.jp/en/jp/JVN41694426/Third Party Advisory
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