{"api_version":"1","generated_at":"2026-07-23T10:54:55+00:00","cve":"CVE-2020-5807","urls":{"html":"https://cve.report/CVE-2020-5807","api":"https://cve.report/api/cve/CVE-2020-5807.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-5807","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-5807"},"summary":{"title":"CVE-2020-5807","description":"An unauthenticated remote attacker can send data to RsvcHost.exe listening on TCP port 5241 to add entries in the FactoryTalk Diagnostics event log. The attacker can specify long fields in the log entry, which can cause an unhandled exception in wcscpy_s() if a local user opens FactoryTalk Diagnostics Viewer (FTDiagViewer.exe) to view the log entry. Observed in FactoryTalk Diagnostics 6.11. All versions of FactoryTalk Diagnostics are affected.","state":"PUBLIC","assigner":"vulnreport@tenable.com","published_at":"2020-12-29 16:15:00","updated_at":"2020-12-30 18:44:00"},"problem_types":["CWE-755"],"metrics":[],"references":[{"url":"https://www.tenable.com/security/research/tra-2020-71","name":"https://www.tenable.com/security/research/tra-2020-71","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"Rockwell Automation FactoryTalk Multiple Vulnerabilities - Research Advisory | Tenable®","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-5807","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5807","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"5807","vulnerable":"1","versionEndIncluding":"6.11","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"rockwellautomation","cpe5":"factorytalk_diagnostics","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2020-5807","ASSIGNER":"vulnreport@tenable.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"Rockwell FactoryTalk Diagnostics","version":{"version_data":[{"version_value":"All versions of FactoryTalk Diagnostics"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Unauthenticated Remote Denial of Service"}]}]},"references":{"reference_data":[{"refsource":"CONFIRM","name":"https://www.tenable.com/security/research/tra-2020-71","url":"https://www.tenable.com/security/research/tra-2020-71"}]},"description":{"description_data":[{"lang":"eng","value":"An unauthenticated remote attacker can send data to RsvcHost.exe listening on TCP port 5241 to add entries in the FactoryTalk Diagnostics event log. The attacker can specify long fields in the log entry, which can cause an unhandled exception in wcscpy_s() if a local user opens FactoryTalk Diagnostics Viewer (FTDiagViewer.exe) to view the log entry. Observed in FactoryTalk Diagnostics 6.11. All versions of FactoryTalk Diagnostics are affected."}]}},"nvd":{"publishedDate":"2020-12-29 16:15:00","lastModifiedDate":"2020-12-30 18:44:00","problem_types":["CWE-755"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:rockwellautomation:factorytalk_diagnostics:*:*:*:*:*:*:*:*","versionEndIncluding":"6.11","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"5807","Ordinal":"166053","Title":"CVE-2020-5807","CVE":"CVE-2020-5807","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"5807","Ordinal":"1","NoteData":"An unauthenticated remote attacker can send data to RsvcHost.exe listening on TCP port 5241 to add entries in the FactoryTalk Diagnostics event log. The attacker can specify long fields in the log entry, which can cause an unhandled exception in wcscpy_s() if a local user opens FactoryTalk Diagnostics Viewer (FTDiagViewer.exe) to view the log entry. Observed in FactoryTalk Diagnostics 6.11. All versions of FactoryTalk Diagnostics are affected.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"5807","Ordinal":"2","NoteData":"2020-12-29","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"5807","Ordinal":"3","NoteData":"2020-12-29","Type":"Other","Title":"Modified"}]}}}