CVE-2023-22515 - CVE House
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Status published Critical CVE-2023-22515

Atlassian has been made aware of an issue reported by...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • an Atlassian customer

References

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Affected Vendor

Affected Software

Confluence Data Center, Confluence Server
Vulnerable Versions:
< 8.0.0, >= 8.0.0, >= 8.0.1, >= 8.0.2, >= 8.0.3, >= 8.1.3, >= 8.1.4, >= 8.2.0, >= 8.2.1, >= 8.2.2, >= 8.2.3, >= 8.3.0, >= 8.3.1, >= 8.3.2, >= 8.4.0, >= 8.4.1, >= 8.4.2, >= 8.5.0, >= 8.5.1, >= 8.3.3, >= 8.4.3, >= 8.5.2

Timeline

Official Publish: October 4th, 2023
Last Modified: March 25th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.