CVE-2021-33990 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 11.9% (pctl 96)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 11.92% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-281 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2023-04-16 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| liferay | liferay portal |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Liferay Portal 6.2.5 - Insecure Permissions | 2023-04-05 |
References
→ the Explorer · watch your stack · NVD