Cybozu Office vulnerable to open redirect


Cybozu Office contains an open redirect vulnerability in network functions.
CVSS Severity (What is CVSS?)

Base Metrics: 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None

CVSS V3 Severity:
Base Metrics: 4.7 (Medium) [IPA Score]
  • Access Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
Affected Products

Cybozu, Inc.
  • Cybozu Office 10.2.0 to 10.3.0


When accessing a specially crafted URL, the user may be redirected to an arbitrary website. As a result, the user may become a victim of a phishing attack.

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

Cybozu, Inc.
CWE (What is CWE?)

  1. Improper Input Validation(CWE-20) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-8483

  1. JVN : JVN#71428831
  2. National Vulnerability Database (NVD) : CVE-2015-8483
Revision History

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