CVE-2020-14177: Atlassian Jira Server

Medium severity, CVSS 6.5. EPSS: 2.2% chance of exploitation in the next 30 days.

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Regex-based Denial of Service (DoS) vulnerability in JQL version searching. The affected versions are before version 7.13.16; from version 7.14.0 before 8.5.7; from version 8.6.0 before 8.10.2; and from version 8.11.0 before 8.11.1.

Affected products

• Atlassian Jira Server: before 7.13.16 (fixed in 7.13.16); from 7.14.0, before 8.5.7 (fixed in 8.5.7); from 8.6.0, before 8.10.2 (fixed in 8.10.2); from 8.11.0, before 8.11.1 (fixed in 8.11.1)

Published 2020-09-21. Last modified 2026-06-17.