atlassian confluence-server CVE-2023-22515 vulnerability in Atlassian Products
Published on October 4, 2023

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 domain, it is hosted by Atlassian and is not vulnerable to this issue.

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Known Exploited Vulnerability

This Atlassian Confluence Data Center and Server Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Atlassian Confluence Data Center and Server contains a privilege escalation vulnerability that allows an attacker to create unauthorized Confluence administrator accounts and access Confluence.

The following remediation steps are recommended / required by October 26, 2023: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2023-22515 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Products Associated with CVE-2023-22515

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What versions are vulnerable to CVE-2023-22515?