Vulnerability-Lookup

CVE-2019-16278 (GCVE-0-2019-16278)

Vulnerability from cvelistv5 – Published: 2019-10-14 16:06 – Updated: 2025-10-21 23:45

CISA Shadowserver Previdian

Summary

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.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-20 03:56 UTC

CWE

n/a
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

mitre mitre root

References

6 references

URL	Tags
http://www.nazgul.ch/dev/nostromo_cl.txt	x_refsource_MISC
https://sp0re.sh	x_refsource_MISC
https://git.sp0re.sh/sp0re/Nhttpd-exploits	x_refsource_MISC
http://packetstormsecurity.com/files/155045/Nostr…	x_refsource_MISC
http://packetstormsecurity.com/files/155802/nostr…	x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version	CPE status
nazgul	nostromo_nhttpd	Affected: 0 , ≤ 1.9.6 (custom) cpe:2.3:a:nazgul:nostromo_nhttpd::::::::

CISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: afd62616-7166-49ec-8a42-4c2f15f1ff08

Vulnerability ID: CVE-2019-16278

Status: Confirmed

Status Updated: 2024-11-07 00:00 UTC

Exploited: Yes

Timestamps

First Seen: 2024-11-07

Asserted: 2024-11-07

Scope

Notes: KEV entry: Nostromo nhttpd Directory Traversal Vulnerability | Affected: Nostromo / nhttpd | Description: Nostromo nhttpd contains a directory traversal vulnerability in the http_verify() function in a non-chrooted nhttpd server allowing for remote code execution. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-11-28 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.nazgul.ch/dev/nostromo_cl.txt ; https://nvd.nist.gov/vuln/detail/CVE-2019-16278

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details

Cwes	CWE-22
Feed	CISA Known Exploited Vulnerabilities Catalog
Product	nhttpd
Due Date	2024-11-28
Date Added	2024-11-07
Vendorproject	Nostromo
Vulnerabilityname	Nostromo nhttpd Directory Traversal Vulnerability
Knownransomwarecampaignuse	Unknown

References

CVE-2019-16278

Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC

Shadowserver

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 438e943b-202e-434a-8cb6-6cbf449a8926

Vulnerability ID: CVE-2019-16278

Status: Confirmed

Status Updated: 2026-07-20 00:00 UTC

Exploited: Yes

Characteristics

Severity: 98.0

Timestamps

First Seen: 2023-10-14

Asserted: 2023-10-14

Last Seen: 2026-07-20

Scope

Asset Exposure: ['internet-facing']

Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details

1D	3
Iot	no
Feed	Shadowserver Foundation honeypot/exploited-vulnerabilities
Type	http-scan
Class	web-server
7D Avg	1
Vendor	nostromo
30D Avg	1
90D Avg	2
Product	nhttpd
Cisa Kev	yes
Connections	62
Observation Date	2026-07-20
Vulnerability Class	CVSS
Vulnerability Score	9.8
Vulnerability Severity	Critical

References

Created: 2026-06-30 09:23 UTC | Updated: 2026-07-22 01:00 UTC

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: a0c79991-0bc5-40ee-9e26-58bbf906031a

Vulnerability ID: CVE-2019-16278

Status: Confirmed

Status Updated: 2024-11-07 00:00 UTC

Exploited: Yes

Timestamps

First Seen: 2024-11-07

Asserted: 2024-11-07

Scope

Notes: KEVIntel entry: 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... | Affected: nostromo / nhttpd | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details

Feed	KEVIntel (kevintel.com)
Title	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...
Vendor	nostromo
Product	nhttpd
Added Date	2024-11-07T00:00:00.000Z
Cvss Score	9.8
Epss Score	None
Cvss Severity	CRITICAL
Epss Percentile	None
Used In Malware	unknown
Ahead Of Cisa Kev	None
Not Yet In Cisa Kev	False

References

Created: 2026-06-23 14:06 UTC | Updated: 2026-07-10 06:14 UTC

Show details on NVD website

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            "lang": "es",
            "value": "Un salto de directorio en la funci\u00f3n http_verify en nostromo nhttpd hasta la versi\u00f3n 1.9.6 permite a un atacante lograr la ejecuci\u00f3n de c\u00f3digo remota mediante una petici\u00f3n http dise\u00f1ada."
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CNVD-2019-36988

Vulnerability from cnvd - Published: 2019-10-24

Title

nostromo nhttpd路径遍历漏洞

Description

nostromo nhttpd是一款开源的Web服务器。 nostromo nhttpd 1.9.6及之前版本中的‘http_verify’函数存在路径遍历漏洞。该漏洞源于网络系统或产品未能正确地过滤资源或文件路径中的特殊元素。攻击者可利用该漏洞访问受限目录之外的位置。

Severity

高

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： http://www.nazgul.ch

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-16278

Impacted products

Name
NAZGUL nostromo nhttpd <=1.9.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-16278"
    }
  },
  "description": "nostromo nhttpd\u662f\u4e00\u6b3e\u5f00\u6e90\u7684Web\u670d\u52a1\u5668\u3002\n\nnostromo nhttpd 1.9.6\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u2018http_verify\u2019\u51fd\u6570\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u80fd\u6b63\u786e\u5730\u8fc7\u6ee4\u8d44\u6e90\u6216\u6587\u4ef6\u8def\u5f84\u4e2d\u7684\u7279\u6b8a\u5143\u7d20\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u53d7\u9650\u76ee\u5f55\u4e4b\u5916\u7684\u4f4d\u7f6e\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttp://www.nazgul.ch",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-36988",
  "openTime": "2019-10-24",
  "products": {
    "product": "NAZGUL nostromo nhttpd \u003c=1.9.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-16278",
  "serverity": "\u9ad8",
  "submitTime": "2019-10-16",
  "title": "nostromo nhttpd\u8def\u5f84\u904d\u5386\u6f0f\u6d1e"
}

FKIE_CVE-2019-16278

Vulnerability from fkie_nvd - Published: 2019-10-14 17:15 - Updated: 2026-06-17 02:22

CISA Shadowserver Previdian

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

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.

References

URL	Tags
cve@mitre.org	http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html	Exploit, Third Party Advisory, VDB Entry
cve@mitre.org	http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html	Exploit, Third Party Advisory, VDB Entry
cve@mitre.org	http://www.nazgul.ch/dev/nostromo_cl.txt	Release Notes
cve@mitre.org	https://git.sp0re.sh/sp0re/Nhttpd-exploits	Broken Link, Exploit, Third Party Advisory
cve@mitre.org	https://sp0re.sh	Broken Link, Not Applicable
af854a3a-2127-422b-91ae-364da2661108	http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html	Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html	Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	http://www.nazgul.ch/dev/nostromo_cl.txt	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://git.sp0re.sh/sp0re/Nhttpd-exploits	Broken Link, Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://sp0re.sh	Broken Link, Not Applicable
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16278	US Government Resource

Impacted products

	Vendor	Product	Version
	nazgul	nostromo_nhttpd	*

JSON

To clipboard

{
  "affected": [
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            {
              "lessThanOrEqual": "1.9.6",
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            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "cisaActionDue": "2024-11-28",
  "cisaExploitAdd": "2024-11-07",
  "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Nostromo nhttpd Directory Traversal Vulnerability",
  "configurations": [
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            }
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    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Un salto de directorio en la funci\u00f3n http_verify en nostromo nhttpd hasta la versi\u00f3n 1.9.6 permite a un atacante lograr la ejecuci\u00f3n de c\u00f3digo remota mediante una petici\u00f3n http dise\u00f1ada."
    }
  ],
  "id": "CVE-2019-16278",
  "lastModified": "2026-06-17T02:22:03.150",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
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          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
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          "version": "2.0"
        },
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        "impactScore": 6.4,
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      }
    ],
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          "attackVector": "NETWORK",
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          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
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          "userInteraction": "NONE",
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          "privilegesRequired": "NONE",
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          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-08-20T03:56:12.872752Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2019-10-14T17:15:09.427",
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      "source": "cve@mitre.org",
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        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html"
    },
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Exploit",
        "Third Party Advisory"
      ],
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Not Applicable"
      ],
      "url": "https://sp0re.sh"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Not Applicable"
      ],
      "url": "https://sp0re.sh"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16278"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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    },
    {
      "description": [
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          "value": "CWE-22"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-495X-R3CR-6RGX

Vulnerability from github – Published: 2022-05-24 16:58 – Updated: 2025-10-22 00:31

Details

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.

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2019-16278"
  ],
  "database_specific": {
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      "CWE-22"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-10-14T17:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "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.",
  "id": "GHSA-495x-r3cr-6rgx",
  "modified": "2025-10-22T00:31:48Z",
  "published": "2022-05-24T16:58:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16278"
    },
    {
      "type": "WEB",
      "url": "https://git.sp0re.sh/sp0re/Nhttpd-exploits"
    },
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    },
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      "url": "http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html"
    },
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  ],
  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2019-16278

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

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.

Aliases

CVE-2019-16278

Aliases

CVE-2019-16278

JSON

To clipboard

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  "GSD": {
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    "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.",
    "id": "GSD-2019-16278",
    "references": [
      "https://packetstormsecurity.com/files/cve/CVE-2019-16278"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
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      ],
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      "id": "GSD-2019-16278",
      "modified": "2023-12-13T01:23:40.884667Z",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2019-16278 (GCVE-0-2019-16278)

CISA

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Vendor Report Successful Exploitation Confidence: 80% Source: cisa-kev

Details

References

Shadowserver

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Characteristics

Timestamps

Scope

Evidence

Honeypot In The Wild Attempts Confidence: 70% Source: shadowserver

Details

References

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Public Report Successful Exploitation Confidence: 70% Source: kevintel

Details

References

CNVD-2019-36988

FKIE_CVE-2019-16278

GHSA-495X-R3CR-6RGX

GSD-2019-16278

Tags

Sightings

Nomenclature

Related by attack behaviour