BaserCMS vulnerable to access restriction


BaserCMS contains a vulnerability in access restriction.

BaserCMS is an open-source Contents Management System (CMS). BaserCMS contains a vulnerability in access restriction where adding a user in the user group "operators" which is created by default when BaserCMS is installed.

Masako Ohno reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 4.9 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

baserCMS Users Community
  • baserCMS and earlier


Users without administrative privileges may obtain administrative privileges or alter the information of administrators.

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

[Apply a patch]
Apply the appropriate patch according to the information provided by the developer.

[Apply a workaround]
The following workaround may mitigate the affects of this vulnerability.

* Do not use the default user group "operators"
Vendor Information

baserCMS Users Community
CWE (What is CWE?)

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

  1. CVE-2011-2674

  1. JVN : JVN#16617002
  2. National Vulnerability Database (NVD) : CVE-2011-2674
Revision History

  • [2011/09/30]
      Web page published