CVE-2019-18858

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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:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:*", "matchCriteriaId": "0EC6B28E-A811-41B3-8211-5C00F43501B0", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:control_for_empc-a\\/imx6:*:*:*:*:*:*:*:*", "matchCriteriaId": "C35E21FB-D148-4295-8F6E-250276198B78", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:*", "matchCriteriaId": "5B3FD146-88C2-4091-9A95-5F1734B4FBC9", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:control_for_linux:*:*:*:*:*:*:*:*", "matchCriteriaId": "9A300E3F-5BF6-455E-ADDC-D7443254F049", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:*", "matchCriteriaId": "1502A884-95A6-4587-8EFA-82374251CD3A", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:*", "matchCriteriaId": "02BEA387-FF44-4AF9-8B80-CD8D6E7F4549", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:control_for_plcnext:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D16B0FB-C69F-4D02-9598-22ADD027D9AA", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:*", "matchCriteriaId": "AA7D956E-7844-4F3D-BF27-E38E5D2B0A68", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:control_rte:*:*:*:*:*:*:*:*", "matchCriteriaId": "15CFC3A8-1D5C-486E-97CB-0F38E9874B96", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:*", "matchCriteriaId": "02ED0463-8628-488A-B931-683A2C0205B9", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:control_win:*:*:*:*:*:*:*:*", "matchCriteriaId": "9CFF4CBE-6291-479D-BC3C-379C7F7D8337", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:embedded_target_visu_toolkit:*:*:*:*:*:*:*:*", "matchCriteriaId": "A4D32C64-2C59-461B-8E33-A4EDF31E886E", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:*", "matchCriteriaId": "95BE3C03-7A36-4AD8-B5E9-BD91BD729B72", "versionEndExcluding": "3.5.15.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:codesys:remote_target_visu_toolkit:*:*:*:*:*:*:*:*", "matchCriteriaId": "1451AE82-855F-425C-9C30-2B96F4B8F2EC", "versionEndExcluding": "3.5.15.20", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow."}, {"lang": "es", "value": "El servidor web CODESYS 3 versiones anteriores a la versi\u00f3n 3.5.15.20, distribuido con los sistemas de tiempo de ejecuci\u00f3n CODESYS Control, tiene un desbordamiento de b\u00fafer."}], "id": "CVE-2019-18858", "lastModified": "2026-06-17T02:25:29.023", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-11-20T18:15:10.917", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-10_CDS-68341.pdf"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2019-48"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-10_CDS-68341.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2019-48"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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