{"cve":"CVE-2015-3326","nvd":{"published":"2015-05-14T00:59:03.647","modified":"2026-06-17T00:25:44.567","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://blog.malerisch.net/2016/05/trendmicro-smex-session-predictable-cve-2015-3326.html","http://esupport.trendmicro.com/solution/en-US/1109669.aspx","http://www.securityfocus.com/bid/74661","http://www.securitytracker.com/id/1032323","http://blog.malerisch.net/2016/05/trendmicro-smex-session-predictable-cve-2015-3326.html"],"products":["trend_micro:scanmail"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-3326","score":0.02286,"percentile":0.83171,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}