CVE-2021-33990

9.8 criticalEPSS 12%

Critical (9.8) in liferay liferay portal. EPSS 12% chance of exploitation in the next 30 days.

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.

Severity

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

EPSS: 12% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWEs: CWE-281, CWE-78
Published: 2023-04-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

liferay:liferay_portal

References

http://packetstormsecurity.com/files/171701/Liferay-Portal-6.2.5-Insecure-Permissions.html
https://github.com/fu2x2000/Liferay_exploit_Poc
http://packetstormsecurity.com/files/171701/Liferay-Portal-6.2.5-Insecure-Permissions.html
https://github.com/fu2x2000/Liferay_exploit_Poc

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