What is CVE-2020-5555?

CVE-2020-5555 is a critical-severity vulnerability in Ekakin Shihonkanri Plus Goout, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2020-03-25.

How severe is CVE-2020-5555?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Improper input validation in Ekakin Shihonkanri Plus Goout

CVE-2020-5555

Shihonkanri Plus GOOUT Ver1.5.8 and Ver2.2.10 allows remote attackers to read and write data of the files placed in the same directory where it is placed via unspecified vector due to the improper input validation issue.

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

Published 2020-03-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.013 (69.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Ekakin Shihonkanri Plus Goout — versions Ver1.5.8 and Ver2.2.10
Shihonkanri Plus Goout Project — versions 1.5.8, 2.2.10

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

jvn.jp/en/jp/JVN32415420/index.html (Third Party Advisory)

Frequently asked questions

What is CVE-2020-5555?: CVE-2020-5555 is a critical-severity vulnerability in Ekakin Shihonkanri Plus Goout, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2020-03-25.
How severe is CVE-2020-5555?: Critical severity. CVSS v3 base score is 9.1 out of 10.