{"id":"CVE-2007-3803","aliases":["EUVD-2007-3787","GHSA-rfrf-3h83-9qr2"],"status":"published","title":"The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP...","description":"The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02262,"percentile":0.83099,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-07-16T23:00:00Z","modified":"2026-06-16T22:42:45Z","products":[{"vendor":"clavister","product":"clavister_coreplus"}],"references":[{"url":"http://www.clavister.com/releasenotes/CorePlus_Release_Notes_8_80_04.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.clavister.com/releasenotes/CorePlus_Release_Notes_8_81_01.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://osvdb.org/37974","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://secunia.com/advisories/25957","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/35371","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-3803"},{"url":"https://github.com/advisories/GHSA-rfrf-3h83-9qr2"}],"sources":{"cve":[{"id":"CVE-2007-3803","description":"The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.","status":"published","published":"2007-07-16T23:00:00Z","modified":"2024-08-07T14:28:52.469Z","updated_at":"2026-11-02T13:32:45.563938Z"}],"euvd":[{"id":"EUVD-2007-3787","description":"The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.","status":"published","published":"2007-07-16T23:00:00Z","modified":"2024-08-07T14:28:52Z","updated_at":"2026-11-03T01:16:24.545796Z"}],"ghsa":[{"id":"GHSA-rfrf-3h83-9qr2","title":"The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP...","description":"The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.","status":"published","published":"2022-05-01T18:17:21Z","modified":"2023-01-31T05:04:26Z","updated_at":"2026-11-02T14:48:40.043352Z"}],"nvd":[{"id":"CVE-2007-3803","description":"The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.","status":"published","published":"2007-07-16T23:30:00Z","modified":"2026-06-16T22:42:45.73Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:17.964611Z"}]}}