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
- Oct 19, 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
modules/auxiliary/admin/http/atlassian_confluence_auth_bypass.rb
Metasploit Framework modulesDeclared conditions
- verification: check_declared($.auxiliary_admin/http/atlassian_confluence_auth_bypass.check)
confluence/CVE-2023-22515
Atlassian Confluence Access Control Broken by Attributes Overwrite (CVE-2023-22515)
Vulhub vulnerability labsDeclared conditions
- lab image version: vulhub/confluence:8.5.1(confluence/CVE-2023-22515/docker-compose.yml:services.web.image)
- lab image version: postgres:15.4-alpine(confluence/CVE-2023-22515/docker-compose.yml:services.db.image)
modules/exploits/multi/http/atlassian_confluence_rce_cve_2023_22515.rb
Metasploit Framework modulesDeclared conditions
- platform: Java($.exploit_multi/http/atlassian_confluence_rce_cve_2023_22515.platform)
- verification: check_declared($.exploit_multi/http/atlassian_confluence_rce_cve_2023_22515.check)
http/cves/2023/CVE-2023-22515.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: dsl($.matchers[*].type)
Responsible use
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