CVE-2023-40044

{"id": "CVE-2023-40044", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@progress.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2023-09-27T15:18:57.307", "references": [{"url": "http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "security@progress.com"}, {"url": "https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044", "tags": ["Third Party Advisory"], "source": "security@progress.com"}, {"url": "https://censys.com/cve-2023-40044/", "tags": ["Third Party Advisory"], "source": "security@progress.com"}, {"url": "https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023", "tags": ["Vendor Advisory"], "source": "security@progress.com"}, {"url": "https://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044", "tags": ["Exploit", "Third Party Advisory"], "source": "security@progress.com"}, {"url": "https://www.progress.com/ws_ftp", "tags": ["Product"], "source": "security@progress.com"}, {"url": "https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/", "tags": ["Broken Link", "Third Party Advisory"], "source": "security@progress.com"}, {"url": "https://www.theregister.com/2023/10/02/ws_ftp_update/", "tags": ["Press/Media Coverage", "Third Party Advisory"], "source": "security@progress.com"}, {"url": "http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://censys.com/cve-2023-40044/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.progress.com/ws_ftp", "tags": ["Product"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/", "tags": ["Broken Link", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.theregister.com/2023/10/02/ws_ftp_update/", "tags": ["Press/Media Coverage", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-40044", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@progress.com", "description": [{"lang": "en", "value": "CWE-502"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-502"}]}], "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."}], "lastModified": "2025-10-31T21:59:31.170", "cisaActionDue": "2023-10-26", "cisaExploitAdd": "2023-10-05", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "443CCFDE-4A61-40F1-96C1-B36BF9240773", "versionEndExcluding": "8.7.4"}, {"criteria": "cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "670AEEB3-B2B3-41DA-8188-4F1A4E02F0AD", "versionEndExcluding": "8.8.2", "versionStartIncluding": "8.8"}], "operator": "OR"}]}], "sourceIdentifier": "security@progress.com", "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"}