What is CVE-2018-0533?

CVE-2018-0533 is a medium-severity vulnerability in Cybozu Garoon. CVSS score: 4.9/10. Published 2018-04-16.

How severe is CVE-2018-0533?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Cybozu Garoon

CVE-2018-0533

Cybozu Garoon 3.0.0 to 4.2.6 allows remote authenticated attackers to bypass access restriction to alter setting data of session authentication via unspecified vectors.

Published 2018-04-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: -0.000

Affected products

Cybozu Garoon
Cybozu, Inc. Cybozu Garoon — versions 3.0.0 to 4.2.6

References

support.cybozu.com/ja-jp/article/9375 (Vendor Advisory)
jvn.jp/en/jp/JVN65268217/index.html (VDB Entry, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-0533?: CVE-2018-0533 is a medium-severity vulnerability in Cybozu Garoon. CVSS score: 4.9/10. Published 2018-04-16.
How severe is CVE-2018-0533?: Medium severity. CVSS v3 base score is 4.9 out of 10.