Published:2012/11/02  Last Updated:2012/11/02

MosP kintai kanri vulnerable to authentication bypass


MosP kintai kanri contains an authentication bypass vulnerability.

Products Affected

  • MosP kintai kanri prior to V4.1.0


MosP kintai kanri is an open source attendance management software. MosP kintai kanri contains an authentication bypass vulnerability.


An attacker with a MosP kintai kanri account may impersonate another user. As a result, information may be obtained and settings may be altered with the privilege of the user.


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

Vendor Status

Vendor Link
MIND CO.,LTD. MosP top page (Japanese Only)


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.11.02

Measures Conditions Severity
Access Required can be attacked over the Internet using packets
  • High
Authentication login caused to be created by an administrator
  • Low-Mid
User Interaction Required the vulnerability can be exploited without an honest user taking any action
  • High
Exploit Complexity the user must be convinced to take a difficult or suspicious action. If the honest user must have elevated privileges, they are likely to be more suspiciouse
  • High

Description of each analysis measures


Masako Ohno reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2012-4021
JVN iPedia JVNDB-2012-000097