CVE-2017-18109: Atlassian Crowd

Medium severity, CVSS 6.1. EPSS: 1.1% chance of exploitation in the next 30 days.

The login resource of CrowdId in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers to redirect users to a different website which they may use as part of performing a phishing attack via an open redirect.

Affected products

• Atlassian Crowd: before 3.0.2 (fixed in 3.0.2); version 3.1.0 only

Published 2019-03-29. Last modified 2026-06-17.