CVE-2021-39121

MEDIUM

Atlassian Jira Server/Data Center <8.5.18, 8.6.0-8.13.10, 8.14.0-8.18.2 Info Disclosure

Title source: llm
STIX 2.1

Description

Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://jira.atlassian.com/browse/JRASERVER-72715

Scores

CVSS v3 4.3
EPSS 0.0024
EPSS Percentile 46.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (4)
atlassian/data_center < 8.5.18
atlassian/jira < 8.5.18
atlassian/jira_data_center 8.6.0 - 8.13.10
atlassian/jira_server 8.6.0 - 8.13.10
Published Sep 08, 2021
Tracked Since Feb 18, 2026