What is CVE-2022-28713?

CVE-2022-28713 is a medium-severity vulnerability in Cybozu Garoon, classified under Improper Authentication. CVSS score: 5.3/10. Published 2022-07-04.

How severe is CVE-2022-28713?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Cybozu Garoon

CVE-2022-28713

Improper authentication vulnerability in Scheduler of Cybozu Garoon 4.10.0 to 5.5.1 allows a remote attacker to obtain some data of Facility Information without logging in to the product.

Vulnerability class: Broken Authentication

Published 2022-07-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (63.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.000

Affected products

Cybozu Garoon
Cybozu, Inc. Cybozu Garoon — versions 4.10.0 to 5.5.1

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cs.cybozu.co.jp/2022/007429.html (Vendor Advisory)
jvn.jp/en/jp/JVN73897863/index.html (Third Party Advisory)

Frequently asked questions

What is CVE-2022-28713?: CVE-2022-28713 is a medium-severity vulnerability in Cybozu Garoon, classified under Improper Authentication. CVSS score: 5.3/10. Published 2022-07-04.
How severe is CVE-2022-28713?: Medium severity. CVSS v3 base score is 5.3 out of 10.