CVE-2017-5544

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2017-01-23T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "An issue was discovered on FiberHome Fengine S5800 switches V210R240. An unauthorized attacker can access the device's SSH service, using a password cracking tool to establish SSH connections quickly. This will trigger an increase in the SSH login timeout (each of the login attempts will occupy a connection slot for a longer time). Once this occurs, legitimate login attempts via SSH/telnet will be refused, resulting in a denial of service; you must restart the device."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-01-24T10:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://www.nfcwar.com"}, {"name": "95708", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/95708"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-5544", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An issue was discovered on FiberHome Fengine S5800 switches V210R240. An unauthorized attacker can access the device's SSH service, using a password cracking tool to establish SSH connections quickly. This will trigger an increase in the SSH login timeout (each of the login attempts will occupy a connection slot for a longer time). Once this occurs, legitimate login attempts via SSH/telnet will be refused, resulting in a denial of service; you must restart the device."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://www.nfcwar.com", "refsource": "MISC", "url": "http://www.nfcwar.com"}, {"name": "95708", "refsource": "BID", "url": "http://www.securityfocus.com/bid/95708"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T15:04:15.292Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.nfcwar.com"}, {"name": "95708", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/95708"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-5544", "datePublished": "2017-01-23T06:49:00.000Z", "dateReserved": "2017-01-19T00:00:00.000Z", "dateUpdated": "2024-08-05T15:04:15.292Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fiberhome:fengine_s5800_firmware:v210r240:*:*:*:*:*:*:*", "matchCriteriaId": "C4C4C2BB-CB68-47EA-A125-7DECA73630D3", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:fiberhome:fengine_28f-s:-:*:*:*:*:*:*:*", "matchCriteriaId": "FDA77F7F-59F0-4E9A-A6FA-55E6710D58EA", "vulnerable": false}, {"criteria": "cpe:2.3:h:fiberhome:fengine_52f-s:-:*:*:*:*:*:*:*", "matchCriteriaId": "BA8E0A26-FF86-43F3-9D33-EF0B5648403C", "vulnerable": false}, {"criteria": "cpe:2.3:h:fiberhome:fengine_52t-s:-:*:*:*:*:*:*:*", "matchCriteriaId": "C61388D1-E384-4DFF-89FF-72CA6B22AD9D", "vulnerable": false}, {"criteria": "cpe:2.3:h:fiberhome:fengine_s5800-28t-s:-:*:*:*:*:*:*:*", "matchCriteriaId": "F5C5E8A6-8404-4F29-BC42-99AEB3DF91AC", "vulnerable": false}, {"criteria": "cpe:2.3:h:fiberhome:fengine_s5800-28t-s-pe:-:*:*:*:*:*:*:*", "matchCriteriaId": "35DEF0C7-1261-498F-AB16-9078806F856E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered on FiberHome Fengine S5800 switches V210R240. An unauthorized attacker can access the device's SSH service, using a password cracking tool to establish SSH connections quickly. This will trigger an increase in the SSH login timeout (each of the login attempts will occupy a connection slot for a longer time). Once this occurs, legitimate login attempts via SSH/telnet will be refused, resulting in a denial of service; you must restart the device."}, {"lang": "es", "value": "Un problema fue descubierto en los switches FiberHome Fengine S5800 V210R240. Un atacante no autorizado puede acceder al servicio SSH del dispositivo, utilizando una herramienta de craqueo de contrase\u00f1as para establecer r\u00e1pidamente conexiones SSH. Esto desencadenar\u00e1 un incremento en el tiempo de espera en el inicio de sesi\u00f3n SSH (cada un de los intentos de inicio de sesi\u00f3n ocupar\u00e1 una ranura de conexi\u00f3n durante un tiempo mayor). Una vez que esto ocurra, los intentos de inicio de sesi\u00f3n leg\u00edtimos a trav\u00e9s de SSH/telnet ser\u00e1n rechazados, resultando en una denegaci\u00f3n de servicio; debe reiniciar el dispositivo."}], "id": "CVE-2017-5544", "lastModified": "2026-06-17T01:20:43.020", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-01-23T07:59:00.547", "references": [{"source": "cve@mitre.org", "tags": ["URL Repurposed"], "url": "http://www.nfcwar.com"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95708"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["URL Repurposed"], "url": "http://www.nfcwar.com"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95708"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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