Cybozu Garoon function "MultiReport" vulnerable to access restriction bypass


Cybozu Garoon is a groupware. Cybozu Garoon contains an access restriction bypass vulnerability in the function "MultiReport".

Yuji Tounai of NTT Com Security (Japan) KK reported this vulnerability to Cybozu, Inc., and Cybozu, Inc. reported it to JPCERT/CC to notify users of its solution through JVN.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products

Cybozu, Inc.
  • Cybozu Garoon 3.1 to 4.2


A user may view the MultiReport which the user does not have permission to access.

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

Cybozu, Inc.
CWE (What is CWE?)

  1. Permissions(CWE-264) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2016-1190

  1. JVN : JVN#18975349
  2. National Vulnerability Database (NVD) : CVE-2016-1190
Revision History

  • [2016/05/30]
      Web page was published
      References : Content was added