CVE-2007-3729: HP Openvms

Medium severity, CVSS 5.0. EPSS: 2% chance of exploitation in the next 30 days.

The default configuration of the POP server in TCP/IP Services 5.6 for HP OpenVMS 8.3 generates different responses depending on whether or not a username is valid, which allows remote attackers to enumerate valid POP usernames.

Affected products

• HP Openvms: version 8.3 only

Published 2007-07-12. Last modified 2026-06-16.