CVE-2003-0930: Clearswift Mailsweeper

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Clearswift MAILsweeper before 4.3.15 does not properly detect filenames in BinHex (HQX) encoded files, which allows remote attackers to bypass intended policy.

Affected products

• Clearswift Mailsweeper: up to and including 4.3.15

Published 2004-09-28. Last modified 2026-06-16.