Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access Confluence instances. Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.
AI analysis not yet available
Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.
No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| atlassian | confluence_data_center | 8.0.0 - 8.3.3 | - |
| atlassian | confluence_data_center | 8.4.0 - 8.4.3 | - |
| atlassian | confluence_data_center |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6
Affected Products
9
References
atlassian / confluence_data_center
| 8.5.0 - 8.5.2 |
| - |
| atlassian | confluence_server | 8.0.0 - 8.3.3 | - |
| atlassian | confluence_server | 8.4.0 - 8.4.3 | - |
| atlassian | confluence_server | 8.5.0 - 8.5.2 | - |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability
Impact