What is CVE-2018-0529?

CVE-2018-0529 is a medium-severity vulnerability in Cybozu Office, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2018-06-26.

How severe is CVE-2018-0529?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Improper input validation in Cybozu Office

CVE-2018-0529

Cybozu Office 10.0.0 to 10.7.0 allows remote attackers to cause a denial of service via unspecified vectors.

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

Published 2018-06-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.011 (63.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Cybozu Office
Cybozu, Inc. Cybozu Office — versions 10.0.0 to 10.7.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

support.cybozu.com/ja-jp/article/10052 (Third Party Advisory)
jvn.jp/en/jp/JVN51737843/index.html (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-0529?: CVE-2018-0529 is a medium-severity vulnerability in Cybozu Office, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2018-06-26.
How severe is CVE-2018-0529?: Medium severity. CVSS v3 base score is 4.3 out of 10.