{"id":"CVE-2003-0121","url":"https://www.cyber-defence.io/tools/cve/CVE-2003-0121","generatedAt":"2026-10-27T18:31:59.208Z","title":"Clearswift MAILsweeper 4.x allows remote attackers to bypass attachment detection via an attachment that does not specify a MIME-Version header field, which is processed by some mail clients.","description":"Clearswift MAILsweeper 4.x allows remote attackers to bypass attachment detection via an attachment that does not specify a MIME-Version header field, which is processed by some mail clients.","published":"2003-03-18T05:00:00.000Z","lastModified":"2026-06-16T22:01:35.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":[],"affected":["clearswift/mailsweeper"],"epss":{"score":0.03071,"percentile":0.87557,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2003-03-07","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":22338,"kind":"exploit","title":"Clearswift MAILsweeper 4.x - MIME Attachment Filter Bypass","url":"https://www.exploit-db.com/exploits/22338","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/22338.txt","file":"exploits/windows/remote/22338.txt","published":"2003-03-07","added":"2003-03-07","updated":"2012-11-04","author":"http-equiv","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2003-0121","OSVDB-8810"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/7044/info"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 3.1%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://marc.info/?l=bugtraq&m=104716030503607&w=2","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/316311","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/7044","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://marc.info/?l=bugtraq&m=104716030503607&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/316311","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/7044","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2003-0121","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."}