{"api_version":"1","generated_at":"2026-04-23T05:14:21+00:00","cve":"CVE-2017-6030","urls":{"html":"https://cve.report/CVE-2017-6030","api":"https://cve.report/api/cve/CVE-2017-6030.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-6030","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-6030"},"summary":{"title":"CVE-2017-6030","description":"A Predictable Value Range from Previous Values issue was discovered in Schneider Electric Modicon PLCs Modicon M221, firmware versions prior to Version 1.5.0.0, Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware versions prior to Version 4.0.5.11. The affected products generate insufficiently random TCP initial sequence numbers that may allow an attacker to predict the numbers from previous values. This may allow an attacker to spoof or disrupt TCP connections.","state":"PUBLIC","assigner":"ics-cert@hq.dhs.gov","published_at":"2017-06-30 03:29:00","updated_at":"2022-02-03 13:45:00"},"problem_types":["CWE-331"],"metrics":[],"references":[{"url":"http://www.securityfocus.com/bid/97254","name":"97254","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"Multiple Schneider Electric Modicon Products Weak Cryptography Multiple Security Weaknesses","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02","name":"https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02","refsource":"MISC","tags":["Third Party Advisory","US Government Resource"],"title":"Schneider Electric Modicon PLCs | ICS-CERT","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-6030","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6030","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2017","cve_id":"6030","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"schneider-electric","cpe5":"modicon_m221","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"schneider-electric","cpe5":"modicon_m221","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"1","versionEndIncluding":"1.1.1.5","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"schneider-electric","cpe5":"modicon_m221_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"schneider-electric","cpe5":"modicon_m241","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"schneider-electric","cpe5":"modicon_m241","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"1","versionEndIncluding":"4.0.3.20","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"schneider-electric","cpe5":"modicon_m241_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"schneider-electric","cpe5":"modicon_m251","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"0","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"schneider-electric","cpe5":"modicon_m251","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"1","versionEndIncluding":"4.0.3.20","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"schneider-electric","cpe5":"modicon_m251_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"se","cpe5":"modicon_m221","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"1","versionEndIncluding":"1.1.1.5","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"se","cpe5":"modicon_m221_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"se","cpe5":"modicon_m241","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"1","versionEndIncluding":"4.0.3.20","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"se","cpe5":"modicon_m241_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"se","cpe5":"modicon_m251","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"6030","vulnerable":"1","versionEndIncluding":"4.0.3.20","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"se","cpe5":"modicon_m251_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2017-6030","qid":"590487","title":"Schneider Electric Modicon PLCs Multiple Vulnerabilities (ICSA-17-089-02)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"ics-cert@hq.dhs.gov","ID":"CVE-2017-6030","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Schneider Electric Modicon PLCs","version":{"version_data":[{"version_value":"Schneider Electric Modicon PLCs"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A Predictable Value Range from Previous Values issue was discovered in Schneider Electric Modicon PLCs Modicon M221, firmware versions prior to Version 1.5.0.0, Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware versions prior to Version 4.0.5.11. The affected products generate insufficiently random TCP initial sequence numbers that may allow an attacker to predict the numbers from previous values. This may allow an attacker to spoof or disrupt TCP connections."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-343"}]}]},"references":{"reference_data":[{"name":"https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02","refsource":"MISC","url":"https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02"},{"name":"97254","refsource":"BID","url":"http://www.securityfocus.com/bid/97254"}]}},"nvd":{"publishedDate":"2017-06-30 03:29:00","lastModifiedDate":"2022-02-03 13:45:00","problem_types":["CWE-331"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":2.5},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.4},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"4.0.3.20","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"4.0.3.20","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.1.1.5","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"6030","Ordinal":"102657","Title":"CVE-2017-6030","CVE":"CVE-2017-6030","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"6030","Ordinal":"1","NoteData":"A Predictable Value Range from Previous Values issue was discovered in Schneider Electric Modicon PLCs Modicon M221, firmware versions prior to Version 1.5.0.0, Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware versions prior to Version 4.0.5.11. The affected products generate insufficiently random TCP initial sequence numbers that may allow an attacker to predict the numbers from previous values. This may allow an attacker to spoof or disrupt TCP connections.","Type":"Description","Title":null},{"CveYear":"2017","CveId":"6030","Ordinal":"2","NoteData":"2017-06-29","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"6030","Ordinal":"3","NoteData":"2017-06-30","Type":"Other","Title":"Modified"}]}}}