{"api_version":"1","generated_at":"2026-07-24T02:56:41+00:00","cve":"CVE-2020-25242","urls":{"html":"https://cve.report/CVE-2020-25242","api":"https://cve.report/api/cve/CVE-2020-25242.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-25242","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-25242"},"summary":{"title":"CVE-2020-25242","description":"A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. 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A cold restart might be necessary in order to recover."}]},"references":{"reference_data":[{"refsource":"CONFIRM","name":"https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf"},{"refsource":"MISC","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf","name":"https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf"},{"refsource":"MISC","name":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-07","url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-07"}]}},"nvd":{"publishedDate":"2021-05-12 14:15:00","lastModifiedDate":"2021-12-03 19:52:00","problem_types":["CWE-400"],"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:C","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE","baseScore":7.8},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.9,"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:siemens:simatic_net_cp_343-1_advanced_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_net_cp_343-1_advanced:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_net_cp_343-1_lean_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_net_cp_343-1_lean:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:simatic_net_cp_343-1_standard_firmware:*:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:simatic_net_cp_343-1_standard:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"25242","Ordinal":"186653","Title":"CVE-2020-25242","CVE":"CVE-2020-25242","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"25242","Ordinal":"1","NoteData":"A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"25242","Ordinal":"2","NoteData":"2021-05-12","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"25242","Ordinal":"3","NoteData":"2021-07-12","Type":"Other","Title":"Modified"}]}}}