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CVE-2021-33990

CriticalPublished

Liferay Portal 6.2.5 allows Command=FileUpload&Type=File&CurrentFolder=/ requests when frmfolders.html exists. NOTE: The vendor disputes this issue because...

Published: Apr 16, 2023
Updated: Feb 13, 2025
Assigning CNA: mitre
Evidence observed: Apr 5, 2023

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

11.9%

Moderate · next 30 days

Percentile: 96.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Liferay Portal 6.2.5 allows Command=FileUpload&Type=File&CurrentFolder=/ requests when frmfolders.html exists. NOTE: The vendor disputes this issue because the exploit reference link only shows frmfolders.html is accessible and does not demonstrate how an unauthorized user can upload a file.

Sources

Liferay Portal 6.2.5 - Insecure PermissionsExploit
Fu2x2000 · java · Apr 5, 2023

Responsible use

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