{
  "id": "CVE-2023-22515",
  "url": "https://spydr.io/cve/CVE-2023-22515",
  "published": "2023-10-04T14:15:10.440Z",
  "modified": "2026-06-17T05:35:37.127Z",
  "score": 9.8,
  "severity": "critical",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.99223,
  "epss_percentile": 0.99936,
  "exploited": true,
  "kev": {
    "added": "2023-10-05",
    "due": "2023-10-13",
    "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.",
    "ransomware": "Known",
    "name": "Atlassian Confluence Data Center and Server Broken Access Control Vulnerability",
    "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"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Atlassian"
  ],
  "products": [
    "Atlassian Confluence Data Center",
    "Atlassian Confluence Server"
  ],
  "cwes": [
    "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. 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.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": 10
  },
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/175225/Atlassian-Confluence-Unauthenticated-Remote-Code-Execution.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://confluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://confluence.atlassian.com/pages/viewpage.action?pageId=1295682276",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://jira.atlassian.com/browse/CONFSERVER-92475",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22515",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-22515",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}