CVE-2023-22515
Atlassian Confluence Data Center and Server Broken Access Control Vulnerability
- Published
- Oct 4, 2023
- Updated
- Mar 25, 2026
- Assigning CNA
- atlassian
- Evidence observed
- Oct 5, 2023
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
34- CVE-2023-22515Exploit
Confluence未授权添加管理员用户(CVE-2023-22515)漏洞利用工具
- CVE-2023-22515Exploit
CVE-2023-22515
- Exploit-CVE-2023-22515Exploit
Bash script that exploits CVE-2023-22515 in Confluence Data Center and Server to create unauthorized administrator accounts, enabling unauthorized access.
Responsible use
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