CVE-2021-46036 File upload leading to RCE in MCMS
Attackers can upload malicious files to execute arbitrary code on the MCMS web application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-46036?
CVE-2021-46036 is a critical vulnerability in n/a, published on 18 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.
Weakness: CWE-434
Which versions are affected by CVE-2021-46036?
2 open source packages ship an affected version, including net.mingsoft:ms-mcms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
net.mingsoft:ms-mcms Maven | All versions to 5.2.4 | None |
net.mingsoft:ms-mcms Maven | All versions to 5.2.4 | None |
Products include Mingsoft Mcms.
How do I fix CVE-2021-46036?
No fix has been published for CVE-2021-46036 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-46036 being exploited?
There is no known exploitation of CVE-2021-46036 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2025-56316 MCMS vulnerable SQL injection via the content_title parameter
- CVE-2025-29287 MCMS allows arbitrary file uploads in the ueditor component
- CVE-2023-50578 Mingsoft MCMS SQL injection
- CVE-2020-20913 Ming-Soft MCMS vulnerable to SQL injection
- CVE-2022-36272 Mingsoft MCMS SQL injection vulnerability in /mdiy/page/verify URI via fieldName parameter
Sources
Also known as GHSA-g8j8-mgh9-q77p.