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FKIE_CVE-2023-40044

Vulnerability from fkie_nvd - Published: 2023-09-27 15:18 - Updated: 2026-06-17 06:15
Severity
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization vulnerability in the Ad Hoc Transfer module to execute remote commands on the underlying WS_FTP Server operating system.
References
security@progress.comhttp://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
security@progress.comhttps://attackerkb.com/topics/bn32f9sNax/cve-2023-40044Third Party Advisory
security@progress.comhttps://censys.com/cve-2023-40044/Third Party Advisory
security@progress.comhttps://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023Vendor Advisory
security@progress.comhttps://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044Exploit, Third Party Advisory
security@progress.comhttps://www.progress.com/ws_ftpProduct
security@progress.comhttps://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/Broken Link, Third Party Advisory
security@progress.comhttps://www.theregister.com/2023/10/02/ws_ftp_update/Press/Media Coverage, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://censys.com/cve-2023-40044/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.progress.com/ws_ftpProduct
af854a3a-2127-422b-91ae-364da2661108https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/Broken Link, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.theregister.com/2023/10/02/ws_ftp_update/Press/Media Coverage, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-40044US Government Resource
Impacted products
Vendor Product Version
progress ws_ftp_server *
progress ws_ftp_server *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "modules": [
            "Ad Hoc Transfer Module"
          ],
          "product": "WS_FTP Server",
          "vendor": "Progress Software Corporation",
          "versions": [
            {
              "lessThan": "8.8.2",
              "status": "affected",
              "version": "8.8.0",
              "versionType": "semver"
            },
            {
              "lessThan": "8.7.4",
              "status": "affected",
              "version": "8.7.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@progress.com"
    }
  ],
  "cisaActionDue": "2023-10-26",
  "cisaExploitAdd": "2023-10-05",
  "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Progress WS_FTP Server Deserialization of Untrusted Data Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "443CCFDE-4A61-40F1-96C1-B36BF9240773",
              "versionEndExcluding": "8.7.4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "670AEEB3-B2B3-41DA-8188-4F1A4E02F0AD",
              "versionEndExcluding": "8.8.2",
              "versionStartIncluding": "8.8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization vulnerability in the Ad Hoc Transfer module to execute remote commands on the underlying WS_FTP Server operating system."
    },
    {
      "lang": "es",
      "value": "En las versiones del servidor WS_FTP anteriores a la 8.7.4 y 8.8.2, un atacante previamente autenticado podr\u00eda aprovechar una vulnerabilidad de deserializaci\u00f3n de .NET en el m\u00f3dulo Ad Hoc Transfer para ejecutar comandos remotos en el sistema operativo subyacente del servidor WS_FTP."
    }
  ],
  "id": "CVE-2023-40044",
  "lastModified": "2026-06-17T06:15:55.110",
  "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": "security@progress.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-40044",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-03T16:29:04.428335Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-09-27T15:18:57.307",
  "references": [
    {
      "source": "security@progress.com",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.html"
    },
    {
      "source": "security@progress.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044"
    },
    {
      "source": "security@progress.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://censys.com/cve-2023-40044/"
    },
    {
      "source": "security@progress.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023"
    },
    {
      "source": "security@progress.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044"
    },
    {
      "source": "security@progress.com",
      "tags": [
        "Product"
      ],
      "url": "https://www.progress.com/ws_ftp"
    },
    {
      "source": "security@progress.com",
      "tags": [
        "Broken Link",
        "Third Party Advisory"
      ],
      "url": "https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/"
    },
    {
      "source": "security@progress.com",
      "tags": [
        "Press/Media Coverage",
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      ],
      "url": "https://www.theregister.com/2023/10/02/ws_ftp_update/"
    },
    {
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      "tags": [
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      ],
      "url": "http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://censys.com/cve-2023-40044/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://www.progress.com/ws_ftp"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
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      "url": "https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://www.theregister.com/2023/10/02/ws_ftp_update/"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-40044"
    }
  ],
  "sourceIdentifier": "security@progress.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
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      "source": "security@progress.com",
      "type": "Secondary"
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    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


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