What is CVE-2019-5931?

CVE-2019-5931 is a high-severity vulnerability in Cybozu Garoon, classified under Improper Input Validation. CVSS score: 8.7/10. Published 2019-05-17.

How severe is CVE-2019-5931?

High severity. CVSS v3 base score is 8.7 out of 10.

Improper input validation in Cybozu Garoon

CVE-2019-5931

Cybozu Garoon 4.0.0 to 4.6.3 allows authenticated attackers to alter the information with privileges invoking the installer via unspecified vectors.

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

Published 2019-05-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.011 · change: -0.000

Affected products

Cybozu Garoon
Cybozu, Inc. Cybozu Garoon — versions 4.0.0 to 4.6.3

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

jvn.jp/en/jp/JVN58849431/index.html (Third Party Advisory)
kb.cybozu.support/article/34283/ (Vendor Advisory)

Frequently asked questions

What is CVE-2019-5931?: CVE-2019-5931 is a high-severity vulnerability in Cybozu Garoon, classified under Improper Input Validation. CVSS score: 8.7/10. Published 2019-05-17.
How severe is CVE-2019-5931?: High severity. CVSS v3 base score is 8.7 out of 10.