What is CVE-2015-8489?

CVE-2015-8489 is a medium-severity vulnerability in Cybozu Office, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2016-02-17.

How severe is CVE-2015-8489?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Cybozu Office

CVE-2015-8489

customapp in Cybozu Office 9.9.0 through 10.3.0 allows remote authenticated users to cause a denial of service (excessive database locking) via a crafted CSV file, a different vulnerability than CVE-2016-1153.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2016-02-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Cybozu Office — versions 9.9.0, 10.0.0, 10.0.1

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

jvndb.jvn.jp/jvndb/JVNDB-2016-000020 (Vendor Advisory, third-party-advisory)
jvn.jp/en/jp/JVN20246313/index.html (Vendor Advisory, third-party-advisory)
cs.cybozu.co.jp/2015/006073.html (Vendor Advisory)

Frequently asked questions

What is CVE-2015-8489?: CVE-2015-8489 is a medium-severity vulnerability in Cybozu Office, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2016-02-17.
How severe is CVE-2015-8489?: Medium severity. CVSS v3 base score is 6.5 out of 10.