CVE-2020-20670

Name: CVE-2020-20670
Creator: NVD / NIST
Published: 2021-09-13T22:15:07.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.69%

Last modified Jun 17, 2026

CVE-2020-20670 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An arbitrary file upload vulnerability in /admin/media/upload of ZKEACMS V3.2.0 allows attackers to execute arbitrary code via a crafted HTML file.. EPSS estimates a 1.69% chance of exploitation in the next 30 days.

Description

An arbitrary file upload vulnerability in /admin/media/upload of ZKEACMS V3.2.0 allows attackers to execute arbitrary code via a crafted HTML file.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.69%

74.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Zkea	Zkeacms	3.2.0

References

https://github.com/yilezhu/Czar.Cms/issues/6Exploit, Third Party Advisory
https://github.com/yilezhu/Czar.Cms/issues/6Exploit, Third Party Advisory

Timeline

Published: Sep 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-20670?

An arbitrary file upload vulnerability in /admin/media/upload of ZKEACMS V3.2.0 allows attackers to execute arbitrary code via a crafted HTML file.

How severe is CVE-2020-20670?

CVE-2020-20670 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.69% probability of exploitation in the next 30 days.

How do I fix CVE-2020-20670?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-20670?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST