CVE-2020-26678

Name: CVE-2020-26678
Creator: NVD / NIST
Published: 2021-05-26T12:15:15.873+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.17%

Last modified Jun 17, 2026

CVE-2020-26678 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. vFairs 3.3 is affected by Remote Code Execution. Any user logged in to a vFairs virtual conference or event can abuse the functionality to upload a profile picture in order to place a malicious PHP file on the server and gain code execution.. EPSS estimates a 2.17% chance of exploitation in the next 30 days.

Description

vFairs 3.3 is affected by Remote Code Execution. Any user logged in to a vFairs virtual conference or event can abuse the functionality to upload a profile picture in order to place a malicious PHP file on the server and gain code execution.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.17%

80.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Vfairs	Vfairs	3.3

References

http://vfairs.comVendor Advisory
https://api.vfairs.com/v1/profilesVendor Advisory
https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attackThird Party Advisory
http://vfairs.comVendor Advisory
https://api.vfairs.com/v1/profilesVendor Advisory
https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attackThird Party Advisory

Timeline

Published: May 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26678?

How severe is CVE-2020-26678?

CVE-2020-26678 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.17% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26678?

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-2020-26678?

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

Scan your code now

Source: NVD / NIST