Cybozu Bug Bounty Program

Cybozu Bug Bounty Program

We will pay a reward as a token of our gratitude for those who discover and report vulnerabilities in our applicable Products.
The maximum reward per vulnerability is 2,000,000 yen.

[Important] Temporary Suspension of the Bug Bounty Program

We have temporarily suspended the acceptance of new bug bounty submissions while we review our Bug Bounty Program.

To help improve the security of our products and services, vulnerability reports can still be submitted through our standard Vulnerability Reporting Form.

Please note that vulnerability reports submitted during the suspension period will not be eligible for bug bounty rewards.

Program Overview

How to Participate in the Program and Report Vulnerabilities

If you would like to participate in the Bug Bounty Program, please report a vulnerability using the Reporting Site.
You will need an account to report a vulnerability on the Reporting Site. Please click Account Request below to request one.
Please note that any reports made outside the Reporting Site will not be eligible for the reward payment. For reporting a vulnerability, please access the Vulnerability Report page.

Participation Requirements

Anyone can participant as long as they fulfill the following requirements:

Restrictions and Prohibitions

If you interfere with the operations of our services, we may take measures such as blocking their access to our services without any prior warning, thereby restricting its participation in the program in the future. For details, please confirm to Article 6 “Restrictions and Prohibited Matters” of the terms.

1. Prohibition of Testing in Environments Not Covered by Cybozu Bug Bounty Program

Vulnerability testing is prohibited for the products, Web sites, and domains that are not listed in "Scope". Furthermore, vulnerability testing for our cloud products is only allowed for (subdomain).cybozu-dev.com.

2. Function in Which Security Testing Is Prohibited

"Contact Us" function of cybozu.com Administration

3. Load Testing Is Prohibited

You cannot perform testing that puts a considerable load on the environment.

Vulnerability Testing Environment Program

We provide the " vulnerability testing environment program" so that you can conduct tests safely without considering any impact on the production environment. Please refer to the following page for details.

Scope

Products and Services

For more information about one of our products or services, please refer to that product or service’s help site.

Cybozu Office on cybozu.com Test environment URL:
https://[subdomain].cybozu-dev.com/o/*
Garoon on cybozu.com Test environment URL:
https://[subdomain].cybozu-dev.com/g/*
Kintone Test environment URL:
https://[subdomain].cybozu-dev.com/k/*
Mailwise on cybozu.com Test environment URL:
https://[subdomain].cybozu-dev.com/m/*
cybozu.com Administration(*) Test environment URL:
https://[subdomain].cybozu-dev.com/
(excluding the URLs above)
(*) Except for "Contact Us" function
  • * Use the URL provided in “Test environment URL” to access the applicable service.
  • * Please note that you are prohibited from conducting testing related to customer environments with URLs formatted as https://*.cybozu.com.
  • * Use the URL above to download the applicable service.
Garoon API https://cybozu.dev/ja/garoon/docs/overview/
kintone API(REST API / JavaScript API) https://cybozu.dev/ja/kintone/docs/
User API https://cybozu.dev/ja/common/docs/user-api/
kintone Marketplace https://kintone-sol.cybozu.co.jp/apps/
Product Web sites https://www.cybozu.com/
How to log in https://cybozu.co.jp/customer/howtologin/
Let's try! Create a kintone App https://kintone.cybozu.co.jp/try-kintone-app-builder/
About Private Program

We will invite some participants to "private program" that we will allow testing products that are not covered by regular program or under conditions that differ from regular rules.For details, we will only contact each private program participant individually. Please note that we will not disclose the details to anyone other than the participants.

Out-of-Scope Products, Services, and Websites

A product, service or website is out of scope if it is not listed in the section “Scope: Products and Services.”

On-Premise Products Cybozu Garoon
https://garoon.cybozu.co.jp/support/package/download/
Cybozu Office
https://office.cybozu.co.jp/trial/download/
Cybozu Mailwise
https://mailwise.cybozu.co.jp/exist/package/
Global edition of Kintone website (kintone.com) https:// *.kintone.com
Websites that do not affect the product https://*.cybozu.co.jp (excluding the following)
 ・ How to log in
 ・ Let's try! Create a kintone App

Rewards

Products and Services

We determine the reward amount based on the vulnerability type.Note that information on how much reward a reporter receives is not disclosed to anyone other than the reporter.For details, refer to "Cybozu Bug Bounty Program Rulebook".

RCE 2,000,000 yen (flat rate) 2,000,000 yen (flat rate)
SQL injection 400,000 ~ 1,600,000 yen 100,000 ~ 1,000,000 yen
XSS 100,000 ~ 400,000 yen 50,000 ~ 200,000 yen
Permissions, Privileges, and Access Controls 200,000 ~ 800,000 yen 50,000 ~ 400,000 yen
Mobile app specific vulnerability 10,000 ~ 2,000,000 yen(Applicable:kintone Mobile) 10,000 ~ 2,000,000 yen
(Applicable:Cybozu Office Mobile,Cloud edition Garoon Mobile)
Others 10,000 ~ 2,000,000 yen 10,000 ~ 2,000,000 yen
  • (*1) Includes APIs provided by each product

For details on how to judge vulnerability information in Cybozu Bug Bounty Program, see "Vulnerability Identification Guidelines".

Web Sites

RCE:
1,000,000 yen (flat rate)
Others:
20,000 yen (flat rate)

Rewards for vulnerabilities found on Web sites are calculated by applying the fixed rate described above even when the vulnerability is found in CGI, JavaScript, or other programs. For a list of applicable Web sites, see the tables above in the section "Scope".

Contact us

Frequently Asked Questions (FAQ)

Please check the frequently asked questions and answers before contacting us.

Contact Us

You can contact us at the Reporting Site with any questions or requests regarding the Bug Bounty Program.
If you do not have an account, please contact us using the form below.
https://cy-psirt.form.kintoneapp.com/public/inquery