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CVE-2023-22515

Severity
CRITICAL
CVSS
10.0
EPSS
0.99156
Risk score
59.7
CISA KEV
Yes
PoC
No
Published
2023-10-04
Modified
2026-03-25
First seen
2026-08-07
Aliases
EUVD-2023-26655, GHSA-G458-XVMC-QG2R
Products
Atlassian:Confluence Data Center 8.0.0, Atlassian:Confluence Data Center 8.0.1, Atlassian:Confluence Data Center 8.0.2, Atlassian:Confluence Data Center 8.0.3, Atlassian:Confluence Data Center 8.1.3, Atlassian:Confluence Data Center 8.1.4, Atlassian:Confluence Data Center 8.2.0, Atlassian:Confluence Data Center 8.2.1, Atlassian:Confluence Data Center 8.2.2, Atlassian:Confluence Data Center 8.2.3, Atlassian:Confluence Data Center 8.3.0, Atlassian:Confluence Data Center 8.3.1, Atlassian:Confluence Data Center 8.3.2, Atlassian:Confluence Data Center 8.4.0, Atlassian:Confluence Data Center 8.4.1, Atlassian:Confluence Data Center 8.4.2, Atlassian:Confluence Data Center 8.5.0, Atlassian:Confluence Data Center 8.5.1, Atlassian:Confluence Data Center and Server, Atlassian:Confluence Server 8.0.0, Atlassian:Confluence Server 8.0.1, Atlassian:Confluence Server 8.0.2, Atlassian:Confluence Server 8.0.3, Atlassian:Confluence Server 8.1.3, Atlassian:Confluence Server 8.1.4, Atlassian:Confluence Server 8.2.0, Atlassian:Confluence Server 8.2.1, Atlassian:Confluence Server 8.2.2, Atlassian:Confluence Server 8.2.3, Atlassian:Confluence Server 8.3.0, Atlassian:Confluence Server 8.3.1, Atlassian:Confluence Server 8.3.2, Atlassian:Confluence Server 8.4.0, Atlassian:Confluence Server 8.4.1, Atlassian:Confluence Server 8.4.2, Atlassian:Confluence Server 8.5.0, Atlassian:Confluence Server 8.5.1
Sources
cisa.gov CVE-2023-22515
euvd EUVD-2023-26655

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.

References