cvelistv5 - cve-2025-47812

CVE-2025-47812 (GCVE-0-2025-47812)

Vulnerability from cvelistv5

Published

2025-07-10 00:00

Modified

2025-07-30 01:36

Severity ?

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

CWE

CWE-158 - Improper Neutralization of Null Byte or NUL Character

Summary

In Wing FTP Server before 7.4.4. the user and admin web interfaces mishandle '\0' bytes, ultimately allowing injection of arbitrary Lua code into user session files. This can be used to execute arbitrary system commands with the privileges of the FTP service (root or SYSTEM by default). This is thus a remote code execution vulnerability that guarantees a total server compromise. This is also exploitable via anonymous FTP accounts.

References

►

URL

	Vendor	Product	Version
	wftpserver	Wing FTP Server	Version: 0 < 7.4.4

CISA Known exploited vulnerability

Data from the Known Exploited Vulnerabilities Catalog

Date added: 2025-07-14

Due date: 2025-08-04

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Used in ransomware: Unknown

Notes: https://www.wftpserver.com/serverhistory.htm ; https://nvd.nist.gov/vuln/detail/CVE-2025-47812

Show details on NVD website

JSON

To clipboard

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ncsc-2025-0230

Vulnerability from csaf_ncscnl

Published

2025-07-14 06:06

Modified

2025-07-14 06:06

Summary

Kwetsbaarheid verholpen in Wing FTP Server

Notes

The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions: NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein. NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory. This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings.

Feiten

De ontwikkelaar van Wing FTP Server heeft een kwetsbaarheid verholpen in versie 7.4.4.

Interpretaties

De kwetsbaarheid bevindt zich in de wijze waarop Wing FTP Server null bytes verwerkt in de user parameter. Dit stelt een kwaadwillende op afstand in staat om willekeurige Lua-code te injecteren in sessie bestanden, wat kan leiden tot de uitvoering van willekeurige code met rechten van de applicatie. Het is mogelijk dat de applicatie draait met verhoogde rechten, waardoor code executie mogelijk is onder ROOT/SYSTEM-rechten. Voor succesvol misbruik moet er geldige authenticatie plaatsvinden, of anonymous FTP moet ingeschakeld zijn. Standaard is anonymous FTP uitgeschakeld. Onderzoekers hebben een exploit gepubliceerd waarmee de kwetsbaarheid kan worden misbruikt. Daarnaast melden diverse organisaties actief misbruik waar te nemen.

Oplossingen

De ontwikkelaar van Wing FTP server heeft updates uitgebracht om de kwetsbaarheid te verhelpen. Beveiligingsbedrijf Huntress heeft indicators-of-compromise (IoC's) vrijgegeven, waarmee mogelijke compromittatie kan worden ontdekt. Zie bijgevoegde referenties voor meer informatie.

Kans

medium

Schade

high

CWE-158

Improper Neutralization of Null Byte or NUL Character

JSON

To clipboard

{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "nl",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions:\n\n    NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein.\n\n    NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory.\n    This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
      },
      {
        "category": "description",
        "text": "De ontwikkelaar van Wing FTP Server heeft een kwetsbaarheid verholpen in versie 7.4.4.",
        "title": "Feiten"
      },
      {
        "category": "description",
        "text": "De kwetsbaarheid bevindt zich in de wijze waarop Wing FTP Server null bytes verwerkt in de user parameter. Dit stelt een kwaadwillende op afstand in staat om willekeurige Lua-code te injecteren in sessie bestanden, wat kan leiden tot de uitvoering van willekeurige code met rechten van de applicatie. Het is mogelijk dat de applicatie draait met verhoogde rechten, waardoor code executie mogelijk is onder ROOT/SYSTEM-rechten.\n\nVoor succesvol misbruik moet er geldige authenticatie plaatsvinden, of anonymous FTP moet ingeschakeld zijn. Standaard is anonymous FTP uitgeschakeld.\n\nOnderzoekers hebben een exploit gepubliceerd waarmee de kwetsbaarheid kan worden misbruikt. Daarnaast melden diverse organisaties actief misbruik waar te nemen.",
        "title": "Interpretaties"
      },
      {
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        "text": "De ontwikkelaar van Wing FTP server heeft updates uitgebracht om de kwetsbaarheid te verhelpen. Beveiligingsbedrijf Huntress heeft indicators-of-compromise (IoC\u0027s) vrijgegeven, waarmee mogelijke compromittatie kan worden ontdekt. Zie bijgevoegde referenties voor meer informatie.",
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    "title": "Kwetsbaarheid verholpen in Wing FTP Server",
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}

ghsa-j4xf-75rr-vvrv

Vulnerability from github

Published

2025-07-10 18:31

Modified

2025-07-14 18:30

Severity ?

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

Details

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-47812"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-158"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-10T17:15:47Z",
    "severity": "CRITICAL"
  },
  "details": "In Wing FTP Server before 7.4.4. the user and admin web interfaces mishandle \u0027\\0\u0027 bytes, ultimately allowing injection of arbitrary Lua code into user session files. This can be used to execute arbitrary system commands with the privileges of the FTP service (root or SYSTEM by default). This is thus a remote code execution vulnerability that guarantees a total server compromise. This is also exploitable via anonymous FTP accounts.",
  "id": "GHSA-j4xf-75rr-vvrv",
  "modified": "2025-07-14T18:30:41Z",
  "published": "2025-07-10T18:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47812"
    },
    {
      "type": "WEB",
      "url": "https://www.huntress.com/blog/wing-ftp-server-remote-code-execution-cve-2025-47812-exploited-in-wild"
    },
    {
      "type": "WEB",
      "url": "https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812"
    },
    {
      "type": "WEB",
      "url": "https://www.wftpserver.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

fkie_cve-2025-47812

Vulnerability from fkie_nvd

Published

2025-07-10 17:15

Modified

2025-07-15 14:43

Severity ?

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

Summary

References

URL	Tags
cve@mitre.org	https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/	Exploit, Third Party Advisory
cve@mitre.org	https://www.wftpserver.com	Broken Link
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://www.huntress.com/blog/wing-ftp-server-remote-code-execution-cve-2025-47812-exploited-in-wild	Exploit, Third Party Advisory

Impacted products

	Vendor	Product	Version
	wftpserver	wing_ftp_server	*

JSON

To clipboard

{
  "cisaActionDue": "2025-08-04",
  "cisaExploitAdd": "2025-07-14",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Wing FTP Server Improper Neutralization of Null Byte or NUL Character Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wftpserver:wing_ftp_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "34AF9E83-291C-40B0-AE69-34C9B59A5D03",
              "versionEndExcluding": "7.4.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Wing FTP Server before 7.4.4. the user and admin web interfaces mishandle \u0027\\0\u0027 bytes, ultimately allowing injection of arbitrary Lua code into user session files. This can be used to execute arbitrary system commands with the privileges of the FTP service (root or SYSTEM by default). This is thus a remote code execution vulnerability that guarantees a total server compromise. This is also exploitable via anonymous FTP accounts."
    },
    {
      "lang": "es",
      "value": "En Wing FTP Server anterior a la versi\u00f3n 7.4.4, las interfaces web de usuario y administrador gestionan incorrectamente los bytes \u0027\\0\u0027, lo que permite la inyecci\u00f3n de c\u00f3digo Lua arbitrario en los archivos de sesi\u00f3n del usuario. Esto puede usarse para ejecutar comandos de sistema arbitrarios con los privilegios del servicio FTP (root o SYSTEM por defecto). Por lo tanto, se trata de una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo que garantiza la vulneraci\u00f3n total del servidor. Esto tambi\u00e9n es explotable mediante cuentas FTP an\u00f3nimas."
    }
  ],
  "id": "CVE-2025-47812",
  "lastModified": "2025-07-15T14:43:38.217",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-07-10T17:15:47.210",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "https://www.wftpserver.com"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.huntress.com/blog/wing-ftp-server-remote-code-execution-cve-2025-47812-exploited-in-wild"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-158"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Secondary"
    }
  ]
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CVE-2025-47812 (GCVE-0-2025-47812)

Vulnerability from cvelistv5

CISA Known exploited vulnerability

Data from the Known Exploited Vulnerabilities Catalog

ncsc-2025-0230

Vulnerability from csaf_ncscnl

ghsa-j4xf-75rr-vvrv

Vulnerability from github

fkie_cve-2025-47812

Vulnerability from fkie_nvd

Tags

Sightings

Nomenclature