{"id":"CVE-2023-26209","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-26209","generatedAt":"2026-10-24T22:07:33.309Z","title":"A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiDeceptor 3.1.x and before allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login…","description":"A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiDeceptor 3.1.x and before allows  a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.","published":"2023-03-09T15:15:10.000Z","lastModified":"2026-06-17T05:42:50.000Z","status":"Modified","sourceIdentifier":"psirt@fortinet.com","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"cwe":["CWE-307"],"affected":["fortinet/fortideceptor"],"epss":{"score":0.01748,"percentile":0.77674,"date":"2026-10-23","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.75%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://fortiguard.com/psirt/FG-IR-20-078","tags":["Vendor Advisory"],"source":"psirt@fortinet.com"},{"url":"https://fortiguard.com/psirt/FG-IR-20-078","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-26209","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."}