CVE-2007-2720: Group-Office Groupware

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

Group-Office before 2.16-13 does not properly validate user IDs, which allows remote attackers to obtain sensitive information via certain requests for (1) message.php and (2) messages.php in modules/email/. NOTE: some of these details are obtained from third party information.

Affected products

Published 2007-05-16. Last modified 2026-06-16.