What’s Vulnerable › Vulnerabilities

CVE-2021-33990

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 11.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-04-16 · updated 2026-06-17
• Weakness: CWE-281

Description

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.

Affected products

• Liferay Portal: 6.2.5

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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