{"id":"CVE-2002-0054","aliases":["EUVD-2002-0054","GHSA-7h4w-2f9g-63r2"],"status":"published","title":"SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange...","description":"SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange Server 5.5 does not properly handle responses to NTLM authentication, which allows remote attackers to perform mail relaying via an SMTP AUTH command using null session credentials.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.22438,"percentile":0.97713,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-294"],"published":"2002-03-08T05:00:00Z","modified":"2026-06-16T21:56:40Z","products":[{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"windows_2000"}],"references":[{"url":"http://marc.info/?l=bugtraq\u0026m=101501580409373\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-011","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/4205","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0054"},{"url":"https://github.com/advisories/GHSA-7h4w-2f9g-63r2"}],"sources":{"cve":[{"id":"CVE-2002-0054","description":"SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange Server 5.5 does not properly handle responses to NTLM authentication, which allows remote attackers to perform mail relaying via an SMTP AUTH command using null session credentials.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:35:17.425Z","updated_at":"2026-11-02T14:33:55.642267Z"}],"euvd":[{"id":"EUVD-2002-0054","description":"SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange Server 5.5 does not properly handle responses to NTLM authentication, which allows remote attackers to perform mail relaying via an SMTP AUTH command using null session credentials.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:35:17Z","updated_at":"2026-11-03T01:15:02.530408Z"}],"ghsa":[{"id":"GHSA-7h4w-2f9g-63r2","title":"SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange...","description":"SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange Server 5.5 does not properly handle responses to NTLM authentication, which allows remote attackers to perform mail relaying via an SMTP AUTH command using null session credentials.","status":"published","published":"2022-04-30T18:18:27Z","modified":"2023-01-30T05:05:24Z","cwes":["CWE-294"],"updated_at":"2026-11-02T14:47:15.872717Z"}],"nvd":[{"id":"CVE-2002-0054","description":"SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange Server 5.5 does not properly handle responses to NTLM authentication, which allows remote attackers to perform mail relaying via an SMTP AUTH command using null session credentials.","status":"published","published":"2002-03-08T05:00:00Z","modified":"2026-06-16T21:56:40.333Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:00:41.313877Z"}]}}