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Case File

CVE-2021-33990

CRITICAL · CVSS 9.8 EPSS 11.92% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-04-16 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 11.9% probability of exploitation in the next 30 days.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-33990
Severity
CRITICAL
CVSS
9.8
EPSS
11.92%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)