What is CVE-2021-39126?

CVE-2021-39126 is a medium-severity vulnerability in Atlassian Jira Data Center, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2021-10-21.

How severe is CVE-2021-39126?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in Atlassian Jira Data Center

CVE-2021-39126

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…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.007 (49.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Atlassian Jira Data Center — versions unspecified, 8.6.0
Atlassian Jira_data_center
Atlassian Jira Server — versions unspecified, 8.6.0
Atlassian Jira_server

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

security@atlassian.com (Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39126?: CVE-2021-39126 is a medium-severity vulnerability in Atlassian Jira Data Center, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2021-10-21.
How severe is CVE-2021-39126?: Medium severity. CVSS v3 base score is 6.5 out of 10.