CVE-2021-46036
File upload leading to RCE in MCMS
An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.
- Record
CVE-2021-46036- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.
- Record
CVE-2021-46036- Updated
- 2026-11-02
EUVDEUVD-2022-1004 No score
An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.
- Record
EUVD-2022-1004- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g8j8-mgh9-q77p
File upload leading to RCE in MCMS
An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.
- Record
GHSA-g8j8-mgh9-q77p- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSVGHSA-g8j8-mgh9-q77p
File upload leading to RCE in MCMS
An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.
- Record
GHSA-g8j8-mgh9-q77p- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
net.mingsoft:ms-mcmsMaven |
through 5.2.4 | None known |
net.mingsoft:ms-mcmsMaven |
through 5.2.4, plus listed versions 4.6.3-SNAPSHOTS4.6.54.7.14.7.25.0.0 Show 8 moreShow less5.0.15.15.25.2.05.2.0.RELEASE5.2.15.2.25.2.3 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-46036 is a critical vulnerability (CVSS 9.8) in Mingsoft Mcms, published February 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.74%, the 89th percentile. No source names a fixed version.