{"id":"CVE-2015-3326","aliases":["EUVD-2015-3372","GHSA-cv6w-px65-v3wf"],"status":"published","title":"Trend Micro ScanMail for Microsoft Exchange (SMEX) 10.2 before Hot Fix Build 3318 and 11.0 before...","description":"Trend Micro ScanMail for Microsoft Exchange (SMEX) 10.2 before Hot Fix Build 3318 and 11.0 before Hot Fix Build 4180 creates session IDs for the web console using a random number generator with predictable values, which makes it easier for remote attackers to bypass authentication via a brute force attack.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02286,"percentile":0.83274,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2015-05-14T00:00:00Z","modified":"2026-06-17T00:25:44Z","products":[{"vendor":"trend_micro","product":"scanmail"}],"references":[{"url":"http://esupport.trendmicro.com/solution/en-US/1109669.aspx","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://blog.malerisch.net/2016/05/trendmicro-smex-session-predictable-cve-2015-3326.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/74661","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securitytracker.com/id/1032323","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3326"},{"url":"https://github.com/advisories/GHSA-cv6w-px65-v3wf"}],"sources":{"cve":[{"id":"CVE-2015-3326","description":"Trend Micro ScanMail for Microsoft Exchange (SMEX) 10.2 before Hot Fix Build 3318 and 11.0 before Hot Fix Build 4180 creates session IDs for the web console using a random number generator with predictable values, which makes it easier for remote attackers to bypass authentication via a brute force attack.","status":"published","published":"2015-05-14T00:00:00Z","modified":"2024-08-06T05:47:56.319Z","updated_at":"2026-11-02T14:35:42.331636Z"}],"euvd":[{"id":"EUVD-2015-3372","description":"Trend Micro ScanMail for Microsoft Exchange (SMEX) 10.2 before Hot Fix Build 3318 and 11.0 before Hot Fix Build 4180 creates session IDs for the web console using a random number generator with predictable values, which makes it easier for remote attackers to bypass authentication via a brute force attack.","status":"published","published":"2015-05-14T00:00:00Z","modified":"2024-08-06T05:47:56Z","updated_at":"2026-11-03T02:22:08.106657Z"}],"ghsa":[{"id":"GHSA-cv6w-px65-v3wf","title":"Trend Micro ScanMail for Microsoft Exchange (SMEX) 10.2 before Hot Fix Build 3318 and 11.0 before...","description":"Trend Micro ScanMail for Microsoft Exchange (SMEX) 10.2 before Hot Fix Build 3318 and 11.0 before Hot Fix Build 4180 creates session IDs for the web console using a random number generator with predictable values, which makes it easier for remote attackers to bypass authentication via a brute force attack.","status":"published","published":"2022-05-17T03:09:16Z","modified":"2023-01-27T05:06:50Z","updated_at":"2026-11-02T14:42:59.735626Z"}],"nvd":[{"id":"CVE-2015-3326","description":"Trend Micro ScanMail for Microsoft Exchange (SMEX) 10.2 before Hot Fix Build 3318 and 11.0 before Hot Fix Build 4180 creates session IDs for the web console using a random number generator with predictable values, which makes it easier for remote attackers to bypass authentication via a brute force attack.","status":"published","published":"2015-05-14T00:59:03.647Z","modified":"2026-06-17T00:25:44.567Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:03:04.906059Z"}]}}