CVE-2021-46386
Mingsoft MCMS vulnerable to Remote Code Execution via file upload.
CVE-2021-46386 is a critical vulnerability (CVSS 9.8) in Mingsoft Mcms, published January 26, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.11%, the 87th percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.1, NVD
- Exploit chance
- 3.11%EPSS, 87th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
File upload vulnerability in mingSoft MCMS through 5.2.5, allows remote attackers to execute arbitrary code via a crafted jspx webshell to net.mingsoft.basic.action.web.FileAction#upload.
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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
net.mingsoft:ms-mcmsMaven | through 5.2.5 | None known |
net.mingsoft:ms-mcmsMaven | through 5.2.5, plus listed versions 4.6.3-SNAPSHOTS4.6.54.7.14.7.25.0.0 Show 9 moreShow less5.0.15.15.25.2.05.2.0.RELEASE5.2.15.2.25.2.35.2.4 | None known |
What each source reports
NVD Score used
File upload vulnerability in mingSoft MCMS through 5.2.5, allows remote attackers to execute arbitrary code via a crafted jspx webshell to net.mingsoft.basic.action.web.FileAction#upload.
- Record
CVE-2021-46386- 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 ListNo score
File upload vulnerability in mingSoft MCMS through 5.2.5, allows remote attackers to execute arbitrary code via a crafted jspx webshell to net.mingsoft.basic.action.web.FileAction#upload.
- Record
CVE-2021-46386- Updated
- 2026-11-02
EUVDEUVD-2022-0571No score
File upload vulnerability in mingSoft MCMS through 5.2.5, allows remote attackers to execute arbitrary code via a crafted jspx webshell to net.mingsoft.basic.action.web.FileAction#upload.
- Record
EUVD-2022-0571- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cwx9-rp4w-4545
Mingsoft MCMS vulnerable to Remote Code Execution via file upload.
Mingsoft MCMS is a Java CMS. Versions prior to and including 5.2.5 contain a file upload vulnerability allowing for a jspx webshell to be uploaded via net.mingsoft.basic.action.web.FileAction#upload, resulting in remote code execution. It is unclear if this issue has been patched.
- Record
GHSA-cwx9-rp4w-4545- 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-cwx9-rp4w-4545
Mingsoft MCMS vulnerable to Remote Code Execution via file upload.
Mingsoft MCMS is a Java CMS. Versions prior to and including 5.2.5 contain a file upload vulnerability allowing for a jspx webshell to be uploaded via net.mingsoft.basic.action.web.FileAction#upload, resulting in remote code execution. It is unclear if this issue has been patched.
- Record
GHSA-cwx9-rp4w-4545- 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
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.