CVE-2020-4016: Atlassian Crucible

Medium severity, CVSS 5.3. EPSS: 1.2% chance of exploitation in the next 30 days.

The /plugins/servlet/jira-blockers/ resource in the crucible-jira-ril plugin in Atlassian Fisheye and Crucible before version 4.8.1 allows remote attackers to get the ID of configured Jira application links via an information disclosure vulnerability.

Affected products

• Atlassian Crucible: before 4.8.1 (fixed in 4.8.1)
• Atlassian Fisheye: before 4.8.1 (fixed in 4.8.1)

Published 2020-06-01. Last modified 2026-06-17.