What is CVE-2020-5583?

CVE-2020-5583 is a medium-severity vulnerability in Cybozu Garoon. CVSS score: 6.5/10. Published 2020-06-30.

How severe is CVE-2020-5583?

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

Vulnerability in Cybozu Garoon

CVE-2020-5583

Cybozu Garoon 4.0.0 to 5.0.1 allows remote authenticated attackers to bypass access restriction to obtain unauthorized Multi-Report's data via unspecified vectors.

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

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.010 (62.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.3% 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
Cybozu, Inc. Cybozu Garoon — versions 4.0.0 to 5.0.1

References

jvn.jp/en/jp/JVN55497111/index.html (Third Party Advisory)
kb.cybozu.support/article/36408/ (Vendor Advisory)

Frequently asked questions

What is CVE-2020-5583?: CVE-2020-5583 is a medium-severity vulnerability in Cybozu Garoon. CVSS score: 6.5/10. Published 2020-06-30.
How severe is CVE-2020-5583?: Medium severity. CVSS v3 base score is 6.5 out of 10.