ManageEngine ServiceDesk Plus fails to restrict access permissions


ManageEngine ServiceDesk Plus provided by Zoho Corporation is a help desk software. ManageEngine ServiceDesk Plus fails to restrict access permissions.

Akihito Mukai and Tomoshige Hasegawa reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 5.4 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 5.5 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

Zoho Corporation
  • ManageEngine ServiceDesk Plus versions prior to 9.0


A user logged in with guest privileges may access functions for which permissions are not granted.

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

Zoho Corporation
CWE (What is CWE?)

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

  1. CVE-2016-4889

  1. JVN : JVN#89726415
  2. National Vulnerability Database (NVD) : CVE-2016-4889
Revision History

  • [2016/09/29]
      Web page was published
      References : Content was added