CVE-2015-3326

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-05-14 · updated 2026-06-17

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.

Affected products

Trend Micro Scanmail: 10.2, 11.0

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
http://esupport.trendmicro.com/solution/en-US/1109669.aspx
http://www.securityfocus.com/bid/74661
http://www.securitytracker.com/id/1032323

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