OpenAM (Open Source Edition) vulnerable to session management


OpenAM (Open Source Edition) contains a vulnerability in session management.

Yasushi Iwakata of Open Source Solution Technology Corporation 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 5.0 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Changed
  • 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

OpenAM Consortium
  • OpenAM (Open Source Edition) 13.0 and later


A user who can login to the product may change the security questions and reset the login password.

[Apply the Patch]
Patch for this vulnerability has been released by OpenAM Consortium.
Apply the patch according to the information provided by OpenAM Consortium.

[Apply a Workaround]
The following workaround may mitigate the effects of this vulnerability.
* Disable the Security Questions function for password resetting
Vendor Information

OpenAM Consortium Open Source Solution Technology Corporation OGIS-RI Co.,Ltd.
CWE (What is CWE?)

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

  1. CVE-2018-0696

  1. JVN : JVN#49995005
  2. National Vulnerability Database (NVD) : CVE-2018-0696
Revision History

  • [2018/10/12]
      Web page was published
  • [2019/09/26]
      References : Content was added