CVE-2021-46386

highpriority · track · 40EPSS 0.031 · 88 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

3.11% (88th) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-434USprimaryCWE-434US

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
mingsoft mcms≤ 5.2.5nvdUScpe:2.3:a:mingsoft:mcms:*:*:*:*:*:*:*:*
Maven net.mingsoft:ms-mcms≤ 5.2.5osvUSpkg:maven/net.mingsoft/ms-mcms

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-cwx9-rp4w-4545Mingsoft MCMS vulnerable to Remote Code Execution via file upload.2022-01-27ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2022-01-26modified 2026-06-17

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+5024 more

references (4)

External citations — patches, advisories, analysis.

https://gitee.com/mingSoft/MCMS/issues/I4R0GW cnnvd
https://nvd.nist.gov/vuln/detail/CVE-2021-46386 cnnvd
https://gitee.com/mingSoft/MCMS/issues/I4R0GW enisa_euvd
https://gitee.com/mingSoft/MCMS/issues/I4R0GWExploitIssue TrackingThird Party Advisorynvd

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