What is CVE-2022-27661?

CVE-2022-27661 is a medium-severity vulnerability in Cybozu Garoon. CVSS score: 4.3/10. Published 2022-07-04.

How severe is CVE-2022-27661?

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

Vulnerability in Cybozu Garoon

CVE-2022-27661

Operation restriction bypass vulnerability in Workflow of Cybozu Garoon 4.0.0 to 5.5.1 allows a remote authenticated attacker to alter the data of Workflow.

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

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.000

Affected products

Cybozu Garoon
Cybozu, Inc. Cybozu Garoon — versions 4.0.0 to 5.5.1

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-2022-27661?: CVE-2022-27661 is a medium-severity vulnerability in Cybozu Garoon. CVSS score: 4.3/10. Published 2022-07-04.
How severe is CVE-2022-27661?: Medium severity. CVSS v3 base score is 4.3 out of 10.