{"id":"CVE-2021-3378","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-3378","generatedAt":"2026-11-05T01:44:07.003Z","title":"FortiLogger 4.4.2.2 is affected by Arbitrary File Upload by sending a \"Content-Type: image/png\" header to Config/SaveUploadedHotspotLogoFile and then visiting Assets/temp/hotspot/img/logohotspot.asp.","description":"FortiLogger 4.4.2.2 is affected by Arbitrary File Upload by sending a \"Content-Type: image/png\" header to Config/SaveUploadedHotspotLogoFile and then visiting Assets/temp/hotspot/img/logohotspot.asp.","published":"2021-02-01T23:15:13.000Z","lastModified":"2026-06-17T04:05:00.000Z","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-434"],"affected":["fortilogger/fortilogger"],"epss":{"score":0.97512,"percentile":0.999,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2021-03-01","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":49600,"kind":"exploit","title":"FortiLogger 4.4.2.2 - Unauthenticated Arbitrary File Upload (Metasploit)","url":"https://www.exploit-db.com/exploits/49600","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/49600.rb","file":"exploits/multiple/webapps/49600.rb","published":"2021-03-01","added":"2021-03-01","updated":"2021-03-01","author":"Berkan Er","type":"webapps","platform":"multiple","port":null,"verified":true,"codes":["CVE-2021-3378"],"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 97.5%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/161601/FortiLogger-4.4.2.2-Arbitrary-File-Upload.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/161974/FortiLogger-Arbitrary-File-Upload.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://github.com/erberkan/fortilogger_arbitrary_fileupload","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/161601/FortiLogger-4.4.2.2-Arbitrary-File-Upload.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/161974/FortiLogger-Arbitrary-File-Upload.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/erberkan/fortilogger_arbitrary_fileupload","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-3378","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."}