THREATPORT/VULNERABILITY/CVE-2021-46036
CRITICAL SEVERITY

CVE-2021-46036

Mcms vulnerability

CVSS
9.8
EPSS
3.7%
EPSS pct
89th
Exploited
No known
An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.
Affected vendor
Mingsoft
Affected product
Mcms
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-434 — Unrestricted Upload of File with Dangerous Type
Published
2022-02-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2021-46036

  • Confirm whether Mingsoft Mcms is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-46036.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-46036

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