CVE-2012-1917: Atmail Open

Medium severity, CVSS 5.0. EPSS: 2.2% chance of exploitation in the next 30 days.

compose.php in @Mail WebMail Client in AtMail Open-Source before 1.05 does not properly handle ../ (dot dot slash) sequences in the unique parameter, which allows remote attackers to conduct directory traversal attacks and read arbitrary files via a ..././ (dot dot dot slash dot slash) sequence.

Affected products

• Atmail Atmail Open: up to and including 1.04

Published 2012-03-27. Last modified 2026-06-16.