CVE-2021-26070
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to evade behind...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-26070- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-26070- Updated
- 2026-11-02
EUVDEUVD-2021-12893 No score
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.
- Record
EUVD-2021-12893- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3q2j-hfh6-wm75
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to evade behind...
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.
- Record
GHSA-3q2j-hfh6-wm75- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26070 is a high vulnerability (CVSS 7.2) in Atlassian Data Center, published March 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.09%, the 81st percentile. No source names a fixed version.