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CVE-2021-26070Affected versions of Atlassian Jira Server and Data Center allow remote attackers to evade behind-the-firewall protection of app-linked…
- 7.2HighCVSS base score
- 2.1%Exploitation in 30 daysEPSS · top 18% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By atlassian
- 56 days later
· 56 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Affected products
- affected unspecified – < 8.13.3
- affected 8.14.0 – < unspecified
- affected unspecified – < 8.14.1
- affected unspecified – < 8.13.3
- affected 8.14.0 – < unspecified
- affected unspecified – < 8.14.1
References
References1
- https://jira.atlassian.com/browse/JRASERVER-72029 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-12893 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-26070)Record last updated .