CVE-2023-22518 - CVE House
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Status published Critical CVE-2023-22518

All versions of Confluence Data Center and Server are affected...

Vulnerability Description

All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper Authorization vulnerability allows an unauthenticated attacker to reset Confluence and create a Confluence instance administrator account. Using this account, an attacker can then perform all administrative actions that are available to Confluence instance administrator leading to - but not limited to - full loss of confidentiality, integrity and availability.  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:

  • -

Affected Vendor

Affected Software

Confluence Data Center, Confluence Server
Vulnerable Versions:
< 1.0.0, >= 1.0.0, >= 7.19.16, >= 8.3.4, >= 8.4.4, >= 8.5.3, >= 8.6.1

Timeline

Official Publish: October 31st, 2023
Last Modified: October 21st, 2025
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.