{"schemaVersion":3,"id":"CVE-2003-0714","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The Internet Mail Service in Exchange Server 5.5 and Exchange 2000 allows remote attackers to cause a denial of service (memory exhaustion) by directly connecting to the SMTP service and sending a certain extended verb request, possibly triggering a buffer overflow in Exchange 2000.","dates":{"published":"2003-10-17T04:00:00.000Z","modified":"2024-08-08T02:05:12.501Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.77615,"percentile":0.99562,"severity":"critical","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.77615},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.77615,"percentile":0.99562}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.77615,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.77615,"percentile":0.99562}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_41DCF6A76B47CB8F","name":"Exploit Reference (securityfocus.com)","source":"reference","url":"http://www.securityfocus.com/bid/8838","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"113","name":"Microsoft Exchange Server 2000 - XEXCH50 Heap Overflow (PoC) (MS03-046)","source":"exploit-database","url":"https://www.exploit-db.com/exploits/113","maturity":"poc","reliabilityScore":0.8,"verified":true,"type":"dos","platforms":["windows"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"dos","platform":"windows","file":"exploits/windows/dos/113.pl","codes":["OSVDB-2674","CVE-2003-0714","MS03-046"]},"metasploit":null},{"id":"16820","name":"Microsoft Exchange Server 2000 - XEXCH50 Heap Overflow (MS03-046) (Metasploit)","source":"exploit-database","url":"https://www.exploit-db.com/exploits/16820","maturity":"weaponized","reliabilityScore":0.8,"verified":true,"type":"remote","platforms":["windows"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"remote","platform":"windows","file":"exploits/windows/remote/16820.rb","codes":["CVE-2003-0714","OSVDB-2674","MS03-046"]},"metasploit":null},{"id":"MSF_EXPLOIT_WINDOWS_SMTP_MS03_046_EXCHANGE2000_XEXCH50","name":"MS03-046 Exchange 2000 XEXCH50 Heap Overflow","source":"metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploit/windows/smtp/ms03_046_exchange2000_xexch50.rb","maturity":"weaponized","reliabilityScore":0.6666666666666666,"verified":true,"type":"remote","platforms":[],"requiresAuth":false,"exploitdb":null,"metasploit":{"fullname":"exploit/windows/smtp/ms03_046_exchange2000_xexch50","rank":"400","rankName":"good","postAuth":false,"check":true,"stability":["unknown-stability"],"sideEffects":["unknown-side-effects"],"reliability":["unknown-reliability"]}}],"exploitCount":4,"weaknesses":[{"id":"CWE-400","name":"Uncontrolled Resource Consumption","description":"The product does not properly control the allocation and maintenance of a limited resource.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/400.html"}],"affected":[{"vendor":"microsoft","product":"exchange_server","name":"exchange server","label":"exchange_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"5.5","noFixRecorded":false,"fixedIn":null},{"text":"5.5:sp1","noFixRecorded":false,"fixedIn":null},{"text":"5.5:sp2","noFixRecorded":false,"fixedIn":null},{"text":"5.5:sp3","noFixRecorded":false,"fixedIn":null},{"text":"5.5:sp4","noFixRecorded":false,"fixedIn":null},{"text":"2000","noFixRecorded":false,"fixedIn":null},{"text":"2000:sp1","noFixRecorded":false,"fixedIn":null},{"text":"2000:sp2","noFixRecorded":false,"fixedIn":null},{"text":"2000:sp3","noFixRecorded":false,"fixedIn":null}],"versionsText":"5.5 | 5.5:sp1 | 5.5:sp2 | 5.5:sp3 | 5.5:sp4 | 2000 | 2000:sp1 | 2000:sp2 | 2000:sp3","eol":{"isEol":true,"eolDate":"2006-01-10T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"5.5","label":"5.5 SP4","eolFrom":"2006-01-10T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"5.5.2653"},"product":{"name":"msexchange","label":"Microsoft Exchange","category":"server-app"}},"hubHref":"/vendor/microsoft/exchange_server"}],"affectedCount":1,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://www.cert.org/advisories/CA-2003-27.html","label":"www.cert.org/advisories/CA-2003-27.html","hostname":"www.cert.org","tags":["Third Party Advisory","X Refsource CERT","US Government Resource"]},{"url":"http://marc.info/?l=bugtraq&m=106682909006586&w=2","label":"marc.info?l=bugtraq&m=106682909006586&w=2","hostname":"marc.info","tags":["Mailing List","X Refsource BUGTRAQ","Third Party Advisory"]},{"url":"http://www.kb.cert.org/vuls/id/422156","label":"www.kb.cert.org/vuls/id/422156","hostname":"www.kb.cert.org","tags":["Third Party Advisory","X Refsource CERT VN","Patch","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-046","label":"docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-046","hostname":"docs.microsoft.com","tags":["Vendor Advisory","X Refsource MS","Patch"]},{"url":"http://www.securityfocus.com/bid/8838","label":"www.securityfocus.com/bid/8838","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Exploit","Patch","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2003-10-17T04:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-08T02:05:12.501Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":56,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T23:39:47.966Z","stale":false,"partial":false}}