CVE-2021-33990 in the critical feed json
Liferay Portal 6.2.5 allows Command=FileUpload&Type=File&CurrentFolder=/ requests when frmfolders.html exists.
published 2023-04-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20660
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 11.9%
- EPSS 11.9% chance of exploitation in 30 days, percentile 96%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- First public exploit (EDB-51244)
- Published
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
11.92% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-51244 Liferay Portal 6.2.5 - Insecure Permissions webapps, 2023-04-05
- github.com https://github.com/fu2x2000/Liferay_exploit_Poc referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/171701/Liferay-Portal-6.2.5-Insecure-Permissions.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- liferay portal
Classification
References
-
github.com
/fu2x2000/Liferay_exploit_Poc
exploit, third-party-advisory
-
packetstormsecurity.com
/files/171701/Liferay-Portal-6.2.5-Insecure-Permissions.html
exploit, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-33990
- NVD CVE-2021-33990
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.