{
  "id": "CVE-2019-16278",
  "url": "https://spydr.io/cve/CVE-2019-16278",
  "published": "2019-10-14T17:15:09.427Z",
  "modified": "2026-06-17T02:22:03.150Z",
  "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": 0.99033,
  "epss_percentile": 0.99931,
  "exploited": true,
  "kev": {
    "added": "2024-11-07",
    "due": "2024-11-28",
    "action": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
    "ransomware": "Unknown",
    "name": "Nostromo nhttpd Directory Traversal Vulnerability",
    "notes": "https://www.nazgul.ch/dev/nostromo_cl.txt ; https://nvd.nist.gov/vuln/detail/CVE-2019-16278"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "nazgul"
  ],
  "products": [
    "nazgul nostromo_nhttpd"
  ],
  "cwes": [
    "CWE-22"
  ],
  "description": "Directory Traversal in the function http_verify in nostromo nhttpd through 1.9.6 allows an attacker to achieve remote code execution via a crafted HTTP request.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 9.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.nazgul.ch/dev/nostromo_cl.txt",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://git.sp0re.sh/sp0re/Nhttpd-exploits",
      "tags": [
        "Broken Link",
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://sp0re.sh/",
      "tags": [
        "Broken Link",
        "Not Applicable"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16278",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16278",
  "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."
    }
  ]
}