What is CVE-2020-18647?

CVE-2020-18647 is a high-severity vulnerability in 5none Nonecms, classified under Exposure of Resource to Wrong Sphere. CVSS score: 7.5/10. Published 2021-06-22.

How severe is CVE-2020-18647?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in 5none Nonecms

CVE-2020-18647

Information Disclosure in NoneCMS v1.3 allows remote attackers to obtain sensitive information via the component "/nonecms/vendor".

Published 2021-06-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.015 (73.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

5none Nonecms — versions 1.3.0

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

github.com/PearlyNautilus/Security-Code-Review/issues/5 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-18647?: CVE-2020-18647 is a high-severity vulnerability in 5none Nonecms, classified under Exposure of Resource to Wrong Sphere. CVSS score: 7.5/10. Published 2021-06-22.
How severe is CVE-2020-18647?: High severity. CVSS v3 base score is 7.5 out of 10.