{"id":"CVE-2009-4775","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-4775","generatedAt":"2026-10-27T18:33:38.310Z","title":"Format string vulnerability in Ipswitch WS_FTP Professional 12 before 12.2 allows remote attackers to cause a denial of service (crash) via format string specifiers in the status code portion of an HTTP response.","description":"Format string vulnerability in Ipswitch WS_FTP Professional 12 before 12.2 allows remote attackers to cause a denial of service (crash) via format string specifiers in the status code portion of an HTTP response.","published":"2010-04-21T14:30:01.000Z","lastModified":"2026-06-16T23:14:20.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P"},"cwe":["CWE-134"],"affected":["ipswitch/ws ftp"],"epss":{"score":0.05608,"percentile":0.9286,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2009-09-09","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":9607,"kind":"exploit","title":"Ipswitch WS_FTP 12 Professional - Remote Format String (PoC)","url":"https://www.exploit-db.com/exploits/9607","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/9607.pl","file":"exploits/windows/dos/9607.pl","published":"2009-09-09","added":"2009-09-08","updated":null,"author":"Jeremy Brown","type":"dos","platform":"windows","port":null,"verified":true,"codes":["OSVDB-64036","CVE-2009-4775"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 5.6%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://docs.ipswitch.com/WS_FTP%20122/ReleaseNotes/English/index.htm?k_id=ipswitch_com_ftp_documents_worldwide_ws_ftp122releasenotesenglish#link23","source":"cve@mitre.org"},{"url":"http://www.exploit-db.com/exploits/9607","source":"cve@mitre.org"},{"url":"http://www.packetstormsecurity.org/0909-exploits/nocoolnameforawsftppoc.pl.txt","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/36297","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/53098","source":"cve@mitre.org"},{"url":"http://docs.ipswitch.com/WS_FTP%20122/ReleaseNotes/English/index.htm?k_id=ipswitch_com_ftp_documents_worldwide_ws_ftp122releasenotesenglish#link23","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.exploit-db.com/exploits/9607","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.packetstormsecurity.org/0909-exploits/nocoolnameforawsftppoc.pl.txt","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/36297","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/53098","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-4775","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."}