What is CVE-2020-5562?

CVE-2020-5562 is a medium-severity vulnerability in Cybozu Garoon, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.9/10. Published 2020-04-28.

How severe is CVE-2020-5562?

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

SSRF in Cybozu Garoon

CVE-2020-5562

Server-side request forgery (SSRF) vulnerability in Cybozu Garoon 4.6.0 to 4.6.3 allows a remote attacker with an administrative privilege to issue arbitrary HTTP requests to other web servers via V-CUBE Meeting function.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2020-04-28 · 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:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Cybozu Garoon
Cybozu, Inc. Cybozu Garoon — versions 4.6.0 to 4.6.3

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

kb.cybozu.support/article/36304 (Vendor Advisory)
jvn.jp/en/jp/JVN58849431/index.html (Third Party Advisory)

Frequently asked questions

What is CVE-2020-5562?: CVE-2020-5562 is a medium-severity vulnerability in Cybozu Garoon, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.9/10. Published 2020-04-28.
How severe is CVE-2020-5562?: Medium severity. CVSS v3 base score is 4.9 out of 10.