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.
problem types: BASM (Broken Authentication & Session Management)
affected:
{
vendor: Atlassian
product: Confluence Data Center
versions:
version: < 8.0.0, status: unaffected
version: >= 8.0.0, status: affected
version: >= 8.0.1, status: affected
version: >= 8.0.2, status: affected
version: >= 8.0.3, status: affected
version: >= 8.1.3, status: affected
version: >= 8.1.4, status: affected
version: >= 8.2.0, status: affected
version: >= 8.2.1, status: affected
version: >= 8.2.2, status: affected
version: >= 8.2.3, status: affected
version: >= 8.3.0, status: affected
version: >= 8.3.1, status: affected
version: >= 8.3.2, status: affected
version: >= 8.4.0, status: affected
version: >= 8.4.1, status: affected
version: >= 8.4.2, status: affected
version: >= 8.5.0, status: affected
version: >= 8.5.1, status: affected
version: >= 8.3.3, status: unaffected
version: >= 8.4.3, status: unaffected
version: >= 8.5.2, status: unaffected
}
{
vendor: Atlassian
product: Confluence Server
versions:
version: < 8.0.0, status: unaffected
version: >= 8.0.0, status: affected
version: >= 8.0.1, status: affected
version: >= 8.0.2, status: affected
version: >= 8.0.3, status: affected
version: >= 8.1.3, status: affected
version: >= 8.1.4, status: affected
version: >= 8.2.0, status: affected
version: >= 8.2.1, status: affected
version: >= 8.2.2, status: affected
version: >= 8.2.3, status: affected
version: >= 8.3.0, status: affected
version: >= 8.3.1, status: affected
version: >= 8.3.2, status: affected
version: >= 8.4.0, status: affected
version: >= 8.4.1, status: affected
version: >= 8.4.2, status: affected
version: >= 8.5.0, status: affected
version: >= 8.5.1, status: affected
version: >= 8.3.3, status: unaffected
version: >= 8.4.3, status: unaffected
version: >= 8.5.2, status: unaffected
}
metrics:
cvssV3_0: [
version: 3.0
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
baseScore: 10
baseSeverity: CRITICAL
]