What is CVE-2023-27304?

CVE-2023-27304 is a medium-severity vulnerability in Cybozu Garoon, classified under Missing Authorization. CVSS score: 4.3/10. Published 2023-05-23.

How severe is CVE-2023-27304?

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

Auth bypass in Cybozu Garoon

CVE-2023-27304

Operation restriction bypass vulnerability in Message and Bulletin of Cybozu Garoon 4.6.0 to 5.9.2 allows a remote authenticated attacker to alter the data of Message and/or Bulletin.

Vulnerability class: Broken Access Control

EPSS: 0.005 (41.0th percentile) — read the EPSS interpretation.

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.

Affected products

Cybozu Garoon
Cybozu, Inc. Cybozu Garoon — versions 4.6.0 to 5.9.2

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

vultures@jpcert.or.jp (Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2023-27304?: CVE-2023-27304 is a medium-severity vulnerability in Cybozu Garoon, classified under Missing Authorization. CVSS score: 4.3/10. Published 2023-05-23.
How severe is CVE-2023-27304?: Medium severity. CVSS v3 base score is 4.3 out of 10.