Home/CVE/Cybozu Office 10.0.0 to 10.7.0 allows authenticated attackers to bypass authentication to view the schedules that are no
CVE

CVE-2018-0528

Cybozu Office 10.0.0 to 10.7.0 allows authenticated attackers to bypass authentication to view the schedules that are no

Cybozu Office 10.0.0 to 10.7.0 allows authenticated attackers to bypass authentication to view the schedules that are not permitted to access via unspecified vectors.

MEDIUM · CVSS 4.3 EPSS 0.00176
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-287Improper Authentication
▤

Affected Products & Versions

1
cybozu office>= 10.0.0 and <= 10.7.0
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighCode Executed Via Office Add-in XLL File
producthighPotential Persistence Via Microsoft Office Add-In
producthighPotential Persistence Via Microsoft Office Startup Folder
producthighFile With Uncommon Extension Created By An Office Application
producthighOffice Macro File Creation From Suspicious Process
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.0 · 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 NVD26 Jun 2018 · 02:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://jvn.jp/en/jp/JVN51737843/index.htmlThird Party Advisory
https://support.cybozu.com/ja-jp/article/9812Third Party Advisory
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