CVE-2021-46036

Name: CVE-2021-46036
Creator: NVD / NIST
Published: 2022-02-18T19:15:09.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.51%

Last modified Jun 17, 2026

CVE-2021-46036 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.. EPSS estimates a 3.51% chance of exploitation in the next 30 days.

Description

An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary 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

3.51%

87.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Mingsoft	Mcms	5.2.4

References

https://lycshub.github.io/2021/12/28/MCMS-vulnerabilities/Exploit, Third Party Advisory
https://lycshub.github.io/2021/12/28/MCMS-vulnerabilities/Exploit, Third Party Advisory

Timeline

Published: Feb 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-46036?

An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.

How severe is CVE-2021-46036?

CVE-2021-46036 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.51% probability of exploitation in the next 30 days.

How do I fix CVE-2021-46036?

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-2021-46036?

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

Scan your code now

Source: NVD / NIST