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
8.8 (High) - CVSS:3.1/
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
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| progress | ws_ftp_server | * | |
| progress | ws_ftp_server | * |
{
"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",
"Third Party Advisory"
],
"url": "https://www.theregister.com/2023/10/02/ws_ftp_update/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://censys.com/cve-2023-40044/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"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": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Product"
],
"url": "https://www.progress.com/ws_ftp"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Third Party Advisory"
],
"url": "https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Press/Media Coverage",
"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"
}
],
"source": "security@progress.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-502"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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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.
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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.
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Related by attack behaviour
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