{"cve":{"cve_id":"CVE-2023-22515","is_kev":true,"kev_date_added":"2023-10-05","kev_vendor_project":"Atlassian","kev_product":"Confluence Data Center and Server","kev_vulnerability_name":"Atlassian Confluence Data Center and Server Broken Access Control Vulnerability","kev_short_description":"Atlassian Confluence Data Center and Server contains a broken access control vulnerability that allows an attacker to create unauthorized Confluence administrator accounts and access Confluence.","kev_required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check all affected Confluence instances for evidence of compromise per vendor instructions and report any positive findings to CISA.","kev_due_date":"2023-10-13","kev_known_ransomware":true,"kev_notes":"https://confluence.atlassian.com/security/cve-2023-22515-privilege-escalation-vulnerability-in-confluence-data-center-and-server-1295682276.html;  https://nvd.nist.gov/vuln/detail/CVE-2023-22515","kev_cwes":[],"epss_score":0.99156,"epss_percentile":0.99928,"epss_as_of":"2026-06-23","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. \r\n\r\nAtlassian 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.","published_at":"2023-10-04T14:00:00.820000Z","last_modified_at":null,"cvss_v3_score":10.0,"cvss_v3_vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":true,"ssvc_technical_impact":"total","cwes":["CWE-20"],"nvd_references":["http://packetstormsecurity.com/files/175225/Atlassian-Confluence-Unauthenticated-Remote-Code-Execution.html","https://confluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515","https://confluence.atlassian.com/pages/viewpage.action?pageId=1295682276","https://jira.atlassian.com/browse/CONFSERVER-92475"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-29T01:25:26.348357Z"},"effective_severity":"CRITICAL","badges":["kev","ransomware","poc","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"atlassian","vendor_name":"Atlassian","product_slug":"confluence-data-center","product_name":"Confluence Data Center","version_start":">= 8.2.2","version_start_inclusive":true,"version_end":">= 8.2.2","version_end_inclusive":true,"cpe23_uri":"cve5:atlassian:confluence-data-center:>= 8.2.2:>= 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