Auth bypass in Atlassian Data Center

CVE-2021-26070

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to evade behind-the-firewall protection of app-linked resources via a Broken Authentication vulnerability in the `makeRequest` gadget resource. The affected versions are before version 8.13.3, and from version 8.14.0 before 8.14.1.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.019 (80.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-26070: held from 0.020 to 0.019.

EPSS over last 30 days · oldest: 0.020 · newest: 0.019 · change: -0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-26070?
CVE-2021-26070 is a high-severity vulnerability in Atlassian Data Center, classified under Improper Authentication. CVSS score: 7.2/10. Published 2021-03-22.
How severe is CVE-2021-26070?
High severity. CVSS v3 base score is 7.2 out of 10.