CVE-2020-36289

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 99.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-05-12 · updated 2026-06-17
Weakness: CWE-863

Description

Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the QueryComponentRendererValue!Default.jspa endpoint. The affected versions are before version 8.5.13, from version 8.6.0 before 8.13.5, and from version 8.14.0 before 8.15.1.

Affected products

Atlassian Data Center: before 8.5.13 — fixed in 8.5.13
Atlassian Jira: before 8.5.13 — fixed in 8.5.13
Atlassian Jira: from 8.6.0 before 8.13.5; from 8.14.0 before 8.15.1 — fixed in 8.13.5, 8.15.1
Atlassian Jira: from 8.6.0 before 8.13.5; from 8.14.0 before 8.15.1 — fixed in 8.13.5, 8.15.1

How to fix

Upgrade to a fixed version: Atlassian Data Center 8.5.13; Atlassian Jira 8.5.13; Atlassian Jira 8.13.5, 8.15.1; Atlassian Jira 8.13.5, 8.15.1. Check the vendor advisory for mitigations.

References

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