CVE-2021-39126

MEDIUM

Atlassian Jira Server/Data Center <8.5.10, 8.6.0-8.13.1 CSRF via Referrer Header

Title source: llm

Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to modify various resources via a Cross-Site Request Forgery (CSRF) vulnerability, following an Information Disclosure vulnerability in the referrer headers which discloses a user's CSRF token. 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-71806

Scores

CVSS v3 6.5

EPSS 0.0020

EPSS Percentile 41.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-352

Status published

Products (2)

atlassian/jira_data_center < 8.5.10

atlassian/jira_server < 8.5.10

Published Oct 21, 2021

Tracked Since Feb 18, 2026