Confluence Data Center and Server security advisory CVE-2023-22515

Hello,

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

Full details including affected versions, mitigation steps required, and threat detection actions are detailed in the Critical Security Advisory.

If you have questions, please raise a support request via the instructions included in the advisory.

Thank you,
Atlassian Security team

1 comment

Tim Eddelbüttel
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October 4, 2023

Hi @Andy Heinzer,
thanks for pointing this out. Let me share another post: https://community.atlassian.com/t5/Trust-Security-discussions/Security-advisories-should-not-use-the-Atlassian-marketing/m-p/2455068

It would be awesome to get some attention on this. Funny enough, I read first my community email notification instead of going to my Atlassian Marketing folder...

Thanks,
Tim

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