CVE-2021-46036

CRITICALNVD 9.89.8—Trending — 4 sources updated this week

9.8

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

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 93.5%
KEV: Not listed

Published

February 18, 2022

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://lycshub.github.io/2021/12/28/MCMS-vulnerabilities/
af854a3a-2127-422b-91ae-364da2661108https://lycshub.github.io/2021/12/28/MCMS-vulnerabilities/

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
maven	net.mingsoft:ms-mcms	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
net.mingsoft:ms-mcms	4.6.3-SNAPSHOTS ... 5.2.4 (14 versions)	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 17× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 02:49 UTCEG score recompute
2026-05-26 02:49 UTCGHSA enrichment
2026-05-25 08:16 UTCOSV refresh

Frequently asked(5)

What is CVE-2021-46036?

CVE-2021-46036 is a critical vulnerability published on February 18, 2022. An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.

When was CVE-2021-46036 disclosed?

CVE-2021-46036 was first published in the National Vulnerability Database on February 18, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-46036 actively exploited?

CVE-2021-46036 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-46036?

CVE-2021-46036 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-46036?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-46036, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-46036

Published

Last Modified

References (2)

Patch Availability(1)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-46036?

Same product

Same CWE

CVE-2021-46036

📅 Published

🔄 Last Modified

🔗 References (2)

Patch Availability(1)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-46036?

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