What is CVE-2020-5643?

CVE-2020-5643 is a medium-severity vulnerability in Cybozu Garoon, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2020-11-06.

How severe is CVE-2020-5643?

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

Improper input validation in Cybozu Garoon

CVE-2020-5643

Improper input validation vulnerability in Cybozu Garoon 5.0.0 to 5.0.2 allows a remote authenticated attacker to delete some data of the bulletin board via unspecified vector.

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

Published 2020-11-06 · 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: 0.017 (76.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Cybozu Garoon
Cybozu, Inc. Cybozu Garoon — versions 5.0.0 to 5.0.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

kb.cybozu.support/article/36725/ (Vendor Advisory)
jvn.jp/en/jp/JVN57942454/index.html (Third Party Advisory)

Frequently asked questions

What is CVE-2020-5643?: CVE-2020-5643 is a medium-severity vulnerability in Cybozu Garoon, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2020-11-06.
How severe is CVE-2020-5643?: Medium severity. CVSS v3 base score is 6.5 out of 10.