CVE-2026-31974

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, OpenProject SMTP test endpoint POST /admin/settings/mailnotifications accepts arbitrary host and port values and exhibits measurable differences in response behaviour depending on whether the target IP exists a...

CVE-2021-41590

In Gradle Enterprise through 2021.3, probing of the server-side network environment can occur via an SMTP configuration test. The installation configuration user interface available to administrators allows testing the configured SMTP server settings. This test function can be used to identify th...

CVE-2019-20474

An issue was discovered in Zoho ManageEngine Remote Access Plus 10.0.447. The service to test the mail-server configuration suffers from an authorization issue allowing a user with the Guest role read-only access to use and abuse it. One of the abuses allows performing network and port scan...