What is CVE-2019-6022?

CVE-2019-6022 is a medium-severity vulnerability in Cybozu Office, classified under Path Traversal. CVSS score: 6.5/10. Published 2019-12-26.

How severe is CVE-2019-6022?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Cybozu Office

CVE-2019-6022

Directory traversal vulnerability in Cybozu Office 10.0.0 to 10.8.3 allows remote authenticated attackers to alter arbitrary files via the 'Customapp' function.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2019-12-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.020 (80.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Cybozu Office
Cybozu, Inc. Cybozu Office — versions 10.0.0 to 10.8.3

Weakness classification (CWE)

CWE-22 — Path Traversal

References

kb.cybozu.support/article/36124 (Vendor Advisory)
jvn.jp/en/jp/JVN79854355/index.html (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2019-6022?: CVE-2019-6022 is a medium-severity vulnerability in Cybozu Office, classified under Path Traversal. CVSS score: 6.5/10. Published 2019-12-26.
How severe is CVE-2019-6022?: Medium severity. CVSS v3 base score is 6.5 out of 10.