CRITICAL

CVE-2021-33990

CVSS v3

9.8

CRITICAL

EPSS Score

49.9%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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.

Technical details

Published
4/16/2023

Frequently asked questions

What is CVE-2021-33990?

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.

Is CVE-2021-33990 actively exploited?

Active exploitation of CVE-2021-33990 has not been confirmed. The EPSS score is 49.9%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-33990?

CVE-2021-33990 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-33990 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.