CVE-2020-5802

{"containers": {"cna": {"affected": [{"product": "Rockwell FactoryTalk Linx", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions of FactoryTalk Linx"}]}], "descriptions": [{"lang": "en", "value": "An attacker-controlled memory allocation size can be passed to the C++ new operator in RnaDaSvr.dll by sending a specially crafted ConfigureItems message to TCP port 4241. This will cause an unhandled exception, resulting in termination of RSLinxNG.exe. Observed in FactoryTalk 6.11. All versions of FactoryTalk Linx are affected."}], "problemTypes": [{"descriptions": [{"description": "Unauthenticated Remote Denial of Service", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-12-29T15:04:26.000Z", "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.tenable.com/security/research/tra-2020-71"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnreport@tenable.com", "ID": "CVE-2020-5802", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Rockwell FactoryTalk Linx", "version": {"version_data": [{"version_value": "All versions of FactoryTalk Linx"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An attacker-controlled memory allocation size can be passed to the C++ new operator in RnaDaSvr.dll by sending a specially crafted ConfigureItems message to TCP port 4241. This will cause an unhandled exception, resulting in termination of RSLinxNG.exe. Observed in FactoryTalk 6.11. All versions of FactoryTalk Linx are affected."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Unauthenticated Remote Denial of Service"}]}]}, "references": {"reference_data": [{"name": "https://www.tenable.com/security/research/tra-2020-71", "refsource": "CONFIRM", "url": "https://www.tenable.com/security/research/tra-2020-71"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T08:39:25.932Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.tenable.com/security/research/tra-2020-71"}]}]}, "cveMetadata": {"assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "assignerShortName": "tenable", "cveId": "CVE-2020-5802", "datePublished": "2020-12-29T15:04:26.000Z", "dateReserved": "2020-01-06T00:00:00.000Z", "dateUpdated": "2024-08-04T08:39:25.932Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Rockwell FactoryTalk Linx", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions of FactoryTalk Linx"}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:rockwellautomation:factorytalk_linx:*:*:*:*:*:*:*:*", "matchCriteriaId": "89622117-4485-4204-A5DA-B72F7F13D353", "versionEndIncluding": "6.11", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An attacker-controlled memory allocation size can be passed to the C++ new operator in RnaDaSvr.dll by sending a specially crafted ConfigureItems message to TCP port 4241. This will cause an unhandled exception, resulting in termination of RSLinxNG.exe. Observed in FactoryTalk 6.11. All versions of FactoryTalk Linx are affected."}, {"lang": "es", "value": "Un tama\u00f1o de asignaci\u00f3n de memoria controlado por el atacante puede ser pasado al nuevo operador de C++ en la biblioteca RnaDaSvr.dll mediante el env\u00edo de un mensaje ConfigureItems especialmente dise\u00f1ado hacia el puerto TCP 4241. Esto causar\u00e1 una excepci\u00f3n no manejada, resultando en la terminaci\u00f3n del archivo RSLinxNG.exe. Observado en FactoryTalk versi\u00f3n 6.11. Todas las versiones de FactoryTalk Linx est\u00e1n afectadas"}], "id": "CVE-2020-5802", "lastModified": "2026-06-17T03:22:15.813", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-29T16:15:14.840", "references": [{"source": "vulnreport@tenable.com", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2020-71"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2020-71"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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