CVE-2001-1567: IBM Lotus Domino

Medium severity, CVSS 5.0. EPSS: 1.6% chance of exploitation in the next 30 days.

Lotus Domino server 5.0.9a and earlier allows remote attackers to bypass security restrictions and view Notes database files and possibly sensitive Notes template files (.ntf) via an HTTP request with a large number of "+" characters before the .nsf file extension, which are converted to spaces by Domino.

Affected products

• IBM Lotus Domino: version 5.0 only; version 5.0.1 only; version 5.0.2 only; version 5.0.3 only; version 5.0.4 only; version 5.0.5 only; …
• IBM Lotus Domino Server: up to and including 5.0.9a

Published 2001-12-31. Last modified 2026-06-16.