{
  "id": "cve-2023-6549",
  "cveID": "CVE-2023-6549",
  "vendor": "Citrix",
  "product": "NetScaler ADC and NetScaler Gateway",
  "vulnerabilityName": "Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability",
  "shortDescription": "Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for a denial-of-service when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.",
  "requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2024-01-17",
  "dueDate": "2024-02-07",
  "knownRansomware": false,
  "cwes": [
    "CWE-119"
  ],
  "notes": "https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549;   https://nvd.nist.gov/vuln/detail/CVE-2023-6549",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6549"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "support.citrix.com",
      "url": "https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6549"
    }
  ],
  "cvss": {
    "score": 7.5,
    "severity": "HIGH",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  },
  "epss": {
    "score": 0.57633,
    "percentile": 0.99022
  },
  "timeline": [
    {
      "date": "2024-01-17",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2024-02-07",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}