What is CVE-2020-20672?

CVE-2020-20672 is a high-severity vulnerability in Kitesky Kitecms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.8/10. Published 2021-09-13.

How severe is CVE-2020-20672?

High severity. CVSS v3 base score is 7.8 out of 10.

Arbitrary file upload in Kitesky Kitecms

CVE-2020-20672

An arbitrary file upload vulnerability in /admin/upload/uploadfile of KiteCMS V1.1 allows attackers to getshell via a crafted PHP file.

Vulnerability class: Unrestricted File Upload

Published 2021-09-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.5% 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

Kitesky Kitecms — versions 1.1

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/Kitesky/KiteCMS/issues/3 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-20672?: CVE-2020-20672 is a high-severity vulnerability in Kitesky Kitecms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.8/10. Published 2021-09-13.
How severe is CVE-2020-20672?: High severity. CVSS v3 base score is 7.8 out of 10.