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Vulnerability record · CVE-2021-41308 · published 26 October 2021

CVE-2021-41308: Atlassian jira improper authorization vulnerability

Atlassian · Jira

Affected versions of Atlassian Jira Server and Data Center allow authenticated yet non-administrator remote attackers to edit the File Replication settings via a Broken Access Control vulnerability in the `ReplicationSettings!default.jspa` endpoint. The affected versions are before version 8.6.0, from version 8.7.0 before 8.13.12, and from version 8.14.0 before 8.20.1.

6.5 CVSS 3.1 Medium EPSS 1.0% · top 37.8% CWE-285 · Improper authorization
6.5CVSS 3.1 base score, v2 4.0
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Affected versions of Atlassian Jira Server and Data Center allow authenticated yet non-administrator remote attackers to edit the File Replication settings via a Broken Access Control vulnerability in the `ReplicationSettings!default.jspa` endpoint. The affected versions are before version 8.6.0, from version 8.7.0 before 8.13.12, and from version 8.14.0 before 8.20.1.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://jira.atlassian.com/browse/JRASERVER-72940 Issue TrackingPatchVendor Advisory
https://jira.atlassian.com/browse/JRASERVER-72940 Issue TrackingPatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-41308), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.