CVE-2023-42659 (GCVE-0-2023-42659)
Vulnerability from cvelistv5 – Published: 2023-11-07 15:13 – Updated: 2024-09-04 15:24
VLAI
EPSS
VEX
Title
WS_FTP Server Arbitrary File Upload
Summary
In WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified. An authenticated Ad Hoc Transfer user has the ability to craft an API call which allows them to upload a file to a specified location on the underlying operating system hosting the WS_FTP Server application.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-04 15:17 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.progress.com/ws_ftp | product |
| https://community.progress.com/s/article/WS-FTP-S… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Progress Software Corporation | WS_FTP Server |
Affected:
8.8.0 , < 8.8.4
(semver)
Affected: 8.7.0 , < 8.7.6 (semver) |
guessed |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T19:23:40.175Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"product",
"x_transferred"
],
"url": "https://www.progress.com/ws_ftp"
},
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2023"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-42659",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-04T15:17:10.115964Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-04T15:24:41.092Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"modules": [
"Ad Hoc Transfer Module"
],
"product": "WS_FTP Server",
"vendor": "Progress Software Corporation",
"versions": [
{
"lessThan": "8.8.4",
"status": "affected",
"version": "8.8.0",
"versionType": "semver"
},
{
"lessThan": "8.7.6",
"status": "affected",
"version": "8.7.0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\n\n\u003cspan style=\"background-color: rgb(252, 252, 252);\"\u003eIn WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified. An authenticated Ad Hoc Transfer user has the ability to craft an API call which allows them to upload a file to a specified location on the underlying operating system hosting the WS_FTP Server application.\u003cbr\u003e\u003c/span\u003e"
}
],
"value": "\nIn WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified. An authenticated Ad Hoc Transfer user has the ability to craft an API call which allows them to upload a file to a specified location on the underlying operating system hosting the WS_FTP Server application.\n"
}
],
"impacts": [
{
"capecId": "CAPEC-17",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-17 Using Malicious Files"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-434",
"description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-11-07T15:13:40.001Z",
"orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
"shortName": "ProgressSoftware"
},
"references": [
{
"tags": [
"product"
],
"url": "https://www.progress.com/ws_ftp"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2023"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "WS_FTP Server Arbitrary File Upload",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
"assignerShortName": "ProgressSoftware",
"cveId": "CVE-2023-42659",
"datePublished": "2023-11-07T15:13:40.001Z",
"dateReserved": "2023-09-12T13:30:29.571Z",
"dateUpdated": "2024-09-04T15:24:41.092Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-42659",
"date": "2026-09-24",
"epss": "0.00896",
"percentile": "0.57791"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8424B148-39EF-483E-81F3-25A2FFF83CE6",
"versionEndExcluding": "8.7.6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "23DE01DB-BA5C-4064-88B3-99B228E1E7C9",
"versionEndExcluding": "8.8.4",
"versionStartIncluding": "8.8.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "\nIn WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified. An authenticated Ad Hoc Transfer user has the ability to craft an API call which allows them to upload a file to a specified location on the underlying operating system hosting the WS_FTP Server application.\n"
},
{
"lang": "es",
"value": "WS_FTP Server en las versiones anteriores a 8.7.6 y 8.8.4, se identific\u00f3 una falla en la carga de archivos sin restricciones. Un usuario autenticado de Ad Hoc Transfer tiene la capacidad de crear una llamada API que le permite cargar un archivo en una ubicaci\u00f3n espec\u00edfica en el sistema operativo subyacente que aloja la aplicaci\u00f3n del servidor WS_FTP."
}
],
"id": "CVE-2023-42659",
"lastModified": "2024-11-21T08:22:54.320",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L",
"version": "3.1"
},
"exploitabilityScore": 3.1,
"impactScore": 5.3,
"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"
}
]
},
"published": "2023-11-07T16:15:28.923",
"references": [
{
"source": "security@progress.com",
"tags": [
"Vendor Advisory"
],
"url": "https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2023"
},
{
"source": "security@progress.com",
"tags": [
"Product"
],
"url": "https://www.progress.com/ws_ftp"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2023"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Product"
],
"url": "https://www.progress.com/ws_ftp"
}
],
"sourceIdentifier": "security@progress.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-434"
}
],
"source": "security@progress.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-434"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "affected",
"modules": [
"Ad Hoc Transfer Module"
],
"product": "WS_FTP Server",
"vendor": "Progress Software Corporation",
"versions": [
{
"lessThan": "8.8.4",
"status": "affected",
"version": "8.8.0",
"versionType": "semver"
},
{
"lessThan": "8.7.6",
"status": "affected",
"version": "8.7.0",
"versionType": "semver"
}
]
}
],
"source": "security@progress.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8424B148-39EF-483E-81F3-25A2FFF83CE6",
"versionEndExcluding": "8.7.6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "23DE01DB-BA5C-4064-88B3-99B228E1E7C9",
"versionEndExcluding": "8.8.4",
"versionStartIncluding": "8.8.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "\nIn WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified. An authenticated Ad Hoc Transfer user has the ability to craft an API call which allows them to upload a file to a specified location on the underlying operating system hosting the WS_FTP Server application.\n"
},
{
"lang": "es",
"value": "WS_FTP Server en las versiones anteriores a 8.7.6 y 8.8.4, se identific\u00f3 una falla en la carga de archivos sin restricciones. Un usuario autenticado de Ad Hoc Transfer tiene la capacidad de crear una llamada API que le permite cargar un archivo en una ubicaci\u00f3n espec\u00edfica en el sistema operativo subyacente que aloja la aplicaci\u00f3n del servidor WS_FTP."
}
],
"id": "CVE-2023-42659",
"lastModified": "2026-06-17T06:24:12.133",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L",
"version": "3.1"
},
"exploitabilityScore": 3.1,
"impactScore": 5.3,
"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-2023-42659",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-04T15:17:10.115964Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-11-07T16:15:28.923",
"references": [
{
"source": "security@progress.com",
"tags": [
"Vendor Advisory"
],
"url": "https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2023"
},
{
"source": "security@progress.com",
"tags": [
"Product"
],
"url": "https://www.progress.com/ws_ftp"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2023"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Product"
],
"url": "https://www.progress.com/ws_ftp"
}
],
"sourceIdentifier": "security@progress.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-434"
}
],
"source": "security@progress.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-434"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-28T22:42:48+00:00",
"cve": "CVE-2023-42659",
"id": "CVE-2023-42659",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "WS_FTP Server Arbitrary File Upload",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-42659.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T19:23:40.175Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"product",
"x_transferred"
],
"url": "https://www.progress.com/ws_ftp"
},
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2023"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-42659",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-04T15:17:10.115964Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-04T15:24:37.632Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"modules": [
"Ad Hoc Transfer Module"
],
"product": "WS_FTP Server",
"vendor": "Progress Software Corporation",
"versions": [
{
"lessThan": "8.8.4",
"status": "affected",
"version": "8.8.0",
"versionType": "semver"
},
{
"lessThan": "8.7.6",
"status": "affected",
"version": "8.7.0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\n\n\u003cspan style=\"background-color: rgb(252, 252, 252);\"\u003eIn WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified. An authenticated Ad Hoc Transfer user has the ability to craft an API call which allows them to upload a file to a specified location on the underlying operating system hosting the WS_FTP Server application.\u003cbr\u003e\u003c/span\u003e"
}
],
"value": "\nIn WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified. An authenticated Ad Hoc Transfer user has the ability to craft an API call which allows them to upload a file to a specified location on the underlying operating system hosting the WS_FTP Server application.\n"
}
],
"impacts": [
{
"capecId": "CAPEC-17",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-17 Using Malicious Files"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-434",
"description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-11-07T15:13:40.001Z",
"orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
"shortName": "ProgressSoftware"
},
"references": [
{
"tags": [
"product"
],
"url": "https://www.progress.com/ws_ftp"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2023"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "WS_FTP Server Arbitrary File Upload",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
"assignerShortName": "ProgressSoftware",
"cveId": "CVE-2023-42659",
"datePublished": "2023-11-07T15:13:40.001Z",
"dateReserved": "2023-09-12T13:30:29.571Z",
"dateUpdated": "2024-09-04T15:24:41.092Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
| 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.
Loading…
Loading…
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.
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.
Loading…
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.
Loading…