CVE-2020-21516

Name: CVE-2020-21516
Creator: NVD / NIST
Published: 2022-09-06T19:15:08.29+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2020-21516 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. There is an arbitrary file upload vulnerability in FeehiCMS 2.0.8 at the head image upload, that allows attackers to execute relevant PHP code.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

There is an arbitrary file upload vulnerability in FeehiCMS 2.0.8 at the head image upload, that allows attackers to execute relevant PHP code.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.04%

59.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Feehi	Feehicms	2.0.8

References

https://github.com/liufee/cms/issues/46Exploit, Patch, Third Party Advisory
https://github.com/liufee/cms/issues/46Exploit, Patch, Third Party Advisory

Timeline

Published: Sep 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21516?

There is an arbitrary file upload vulnerability in FeehiCMS 2.0.8 at the head image upload, that allows attackers to execute relevant PHP code.

How severe is CVE-2020-21516?

CVE-2020-21516 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21516?

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-2020-21516?

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

Scan your code now

Source: NVD / NIST