CVE-2021-39127

MEDIUM

Atlassian Jira Server/Data Center <8.5.10 & <8.6.0-8.13.1 - BAC

Title source: llm
STIX 2.1

Description

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to the query component JQL endpoint via a Broken Access Control vulnerability (BAC) vulnerability. The affected versions are before version 8.5.10, and from version 8.6.0 before 8.13.1.

References (1)

Core 1
Core References
Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://jira.atlassian.com/browse/JRASERVER-72003

Scores

CVSS v3 5.3
EPSS 0.0029
EPSS Percentile 52.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

Status published
Products (4)
atlassian/jira < 8.5.10
atlassian/jira_data_center 8.6.0 - 8.13.1
atlassian/jira_server 8.6.0 - 8.13.1
atlassian/jira_software_data_center < 8.5.10
Published Oct 21, 2021
Tracked Since Feb 18, 2026