Japan Vulnerability Notes / Past Announcements

2026/02/09

(COMPLETED) The scheduled system maintenance for JVN iPedia and Vulnerability Report Web Form (2026-02-09)

2025/06/09

(COMPLETED) JVN Network Maintenance Notice (20250609)

2025/04/14

JVN will adopt CVSS version 4 (2025-04-14)

2025/02/17

(COMPLETED) The scheduled system maintenance for Vulnerability Report Web Form (2025-02-17)

2025/02/04

(COMPLETED) The scheduled system maintenance for JVN iPedia, MyJVN service (2025-02-04)

2024/10/02

The content of ”Instructions" is updated (2024-10-02)

2024/09/17

(COMPLETED) JVN Network Maintenance Notice (20240917)

2024/03/08

Retirement of CVSS v2 on JVN.jp (2024-03-08)

2024/02/05

(COMPLETED) JVN iPedia and MyJVN services will be unavailable (2024-02-05)

2023/03/20

(COMPLETED) The scheduled system maintenance for Vulnerability Report Web Form

2023/02/27

(COMPLETED) The scheduled system maintenance for JVN iPedia, MyJVN service, and Vulnerability Report Web Form (2023-02-27)

2023/02/06

(COMPLETED) JVN iPedia and Vulnerability Report Form will be temporarily unavailable (2023-02-06)

2021/04/16

The content of ”Instructions" is updated (2021-04-16)

2021/01/28

Regarding JVN advisories with JVNVU# IDs which are listed on [VN_VU] page (2021-01-28)

2020/01/12

(COMPLETED) Network Maintenance Notice (20200112)

2020/01/07

Network Maintenance Notice (20200112)

2018/02/19

JVN URL in RSS

2017/01/29

System maintenance has done

2017/01/26

Notification of Maintenance

2015/12/02

JVN adopts CVSS version 3 now

2014/09/25

Adoption of new CVE numbering format for identifying vulnerabilities

2014/04/01

JVN adopts CVSS now (April 1, 2014)

2012/11/26

JVNVU will change starting on 2012/12/3

2008/05/21

JVN English Site Open