{
  "id": "CVE-2016-6366",
  "url": "https://spydr.io/cve/CVE-2016-6366",
  "published": "2016-08-18T18:59:00.117Z",
  "modified": "2026-06-17T00:50:54.163Z",
  "score": 8.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.87565,
  "epss_percentile": 0.99757,
  "exploited": true,
  "kev": {
    "added": "2022-05-24",
    "due": "2022-06-14",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2016-6366"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "cisco"
  ],
  "products": [
    "cisco pix firewall software",
    "cisco adaptive security appliance software",
    "cisco asa 1000v cloud firewall software"
  ],
  "cwes": [
    "CWE-120"
  ],
  "description": "Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on ASA 5500, ASA 5500-X, ASA Services Module, ASA 1000V, ASAv, Firepower 9300 ASA Security Module, PIX, and FWSM devices allows remote authenticated users to execute arbitrary code via crafted IPv4 SNMP packets, aka Bug ID CSCva92151 or EXTRABACON.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://blogs.cisco.com/security/shadow-brokers",
      "tags": [
        "Exploit",
        "Press/Media Coverage",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160817-asa-snmp",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-56516",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/92521",
      "tags": [
        "Broken Link",
        "Not Applicable",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.securitytracker.com/id/1036637",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40258.zip",
      "tags": [
        "Broken Link",
        "Exploit"
      ]
    },
    {
      "url": "https://www.exploit-db.com/exploits/40258/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://zerosum0x0.blogspot.com/2016/09/reverse-engineering-cisco-asa-for.html",
      "tags": [
        "Exploit",
        "Technical Description"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-6366",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2016-6366",
  "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."
    }
  ]
}