CVE-2019-14997: Atlassian Jira Server

Medium severity, CVSS 4.3. EPSS: 1.2% chance of exploitation in the next 30 days.

The AccessLogFilter class in Jira before version 8.4.0 allows remote anonymous attackers to learn details about other users, including their username, via an information expose through caching vulnerability when Jira is configured with a reverse Proxy and or a load balancer with caching or a CDN.

Affected products

• Atlassian Jira Server: from 7.13.0, before 8.4.0 (fixed in 8.4.0)

Published 2019-09-11. Last modified 2026-06-17.