{"id":"CVE-2021-33990","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-33990","generatedAt":"2026-10-28T02:59:13.506Z","title":"Liferay Portal 6.2.5 allows Command=FileUpload&Type=File&CurrentFolder=/ requests when frmfolders.html 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.","published":"2023-04-16T04:15:08.000Z","lastModified":"2026-06-17T03:55:26.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-281","CWE-78"],"affected":["liferay/liferay portal"],"epss":{"score":0.11915,"percentile":0.9608,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2023-04-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":51244,"kind":"exploit","title":"Liferay Portal 6.2.5 - Insecure Permissions","url":"https://www.exploit-db.com/exploits/51244","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/java/webapps/51244.py","file":"exploits/java/webapps/51244.py","published":"2023-04-05","added":"2023-04-05","updated":"2023-04-05","author":"Fu2x2000","type":"webapps","platform":"java","port":null,"verified":false,"codes":["CVE-2021-33990"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.9%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/171701/Liferay-Portal-6.2.5-Insecure-Permissions.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://github.com/fu2x2000/Liferay_exploit_Poc","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/171701/Liferay-Portal-6.2.5-Insecure-Permissions.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/fu2x2000/Liferay_exploit_Poc","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33990","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}