CVE-2023-22518
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.
Summary dbcve.org
This is an Improper Authorization vulnerability in all versions of Atlassian Confluence Data Center and Server. An unauthenticated attacker can reset the Confluence instance and create a new administrator account, granting themselves full administrative privileges and complete compromise of confidentiality, integrity, and availability.
Mitigation
Immediately apply the vendor-supplied patch from Atlassian to affected Confluence Data Center and Server instances. Atlassian Cloud sites are not vulnerable.