{
    "id": "CVE-2023-22515",
    "published": "2023-10-04 14:15:10",
    "last_modified": "2026-06-17 05:35:37",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-20",
    "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.",
    "epss_score": "0.99156",
    "epss_percentile": "0.99933",
    "kev": 1,
    "kev_due": "2023-10-13",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:32:46",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2023-10-13."
    },
    "products": [
        {
            "vendor": "atlassian",
            "product": "confluence_data_center"
        },
        {
            "vendor": "atlassian",
            "product": "confluence_server"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2023-22515",
        "date_added": "2023-10-05",
        "due_date": "2023-10-13",
        "vendor": "Atlassian",
        "product": "Confluence Data Center and Server",
        "name": "Atlassian Confluence Data Center and Server Broken Access Control Vulnerability",
        "ransomware": 1
    },
    "exploits": [],
    "refs_list": [
        "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",
        "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",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22515"
    ]
}