CVE-2020-22755

Name: CVE-2020-22755
Creator: NVD / NIST
Published: 2023-05-08T14:15:10.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2020-22755 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.

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

0.92%

55.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mingsoft	Mcms	5.0

References

https://github.com/ming-soft/MCMSProduct
https://github.com/ming-soft/MCMS/issues/42Exploit, Issue Tracking
https://github.com/ming-soft/MCMSProduct
https://github.com/ming-soft/MCMS/issues/42Exploit, Issue Tracking

Timeline

Published: May 8, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-22755?

File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.

How severe is CVE-2020-22755?

CVE-2020-22755 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2020-22755?

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-2020-22755?

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

Scan your code now

Source: NVD / NIST