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Public Security Vulnerability
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Resolution: Fixed
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Highest
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8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, 8.0.1, 8.0.2, 8.0.3, 8.0.4, 8.1.1, 8.1.3, 8.2.1, 8.1.4, 8.2.2, 8.2.3, 8.3.1, 8.3.2, 8.4.1, 8.4.2, 8.5.1
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None
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10
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Critical
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CVE-2023-22515
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Customer Report
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an Atlassian customer
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CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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BASM (Broken Authentication & Session Management)
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Confluence Data Center, Confluence Server
Summary of Vulnerability
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.
Affected Versions
Versions prior to 8.0.0 are not affected by this vulnerability.
| Product | Affected Versions |
|---|---|
| Confluence Data Center and Confluence Server |
|
Fixed Versions
| Product | Fixed Versions |
|---|---|
| Confluence Data Center Confluence Server |
|
What You Need to Do
For affected versions, we strongly recommend:
- Upgrading to the fixed versions of Confluence Server or Data Center.
- If unable to upgrade promptly, implement mitigations (refer to the Mitigations section in the full advisory).
- Engaging your security team and check for indicators of compromise (refer to the Threat Detection section in the full advisory).
For additional details, please see the full advisory here: https://confluence.atlassian.com/display/SECURITY/CVE-2023-22515+-+Broken+Access+Control+Vulnerability+in+Confluence+Data+Center+and+Server