What is CVE-2020-5588?

CVE-2020-5588 is a medium-severity vulnerability in Cybozu Garoon, classified under Path Traversal. CVSS score: 4.9/10. Published 2020-06-30.

How severe is CVE-2020-5588?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Path Traversal in Cybozu Garoon

CVE-2020-5588

Path traversal vulnerability in Cybozu Garoon 5.0.0 to 5.0.1 allows attacker with administrator rights to obtain unintended information via unspecified vectors.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2020-06-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.6% 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: 0.010 · change: 0.000

Affected products

Cybozu Garoon — versions 5.0.0, 5.0.1
Cybozu, Inc. Cybozu Garoon — versions 5.0.0 to 5.0.1

Weakness classification (CWE)

CWE-22 — Path Traversal

References

jvn.jp/en/jp/JVN55497111/index.html (Third Party Advisory)
kb.cybozu.support/article/36410/ (Vendor Advisory)

Frequently asked questions

What is CVE-2020-5588?: CVE-2020-5588 is a medium-severity vulnerability in Cybozu Garoon, classified under Path Traversal. CVSS score: 4.9/10. Published 2020-06-30.
How severe is CVE-2020-5588?: Medium severity. CVSS v3 base score is 4.9 out of 10.