CVE-2020-27274

{"containers": {"cna": {"affected": [{"product": "OPC UA Tunneller", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions prior to 6.3.0.8233"}]}], "descriptions": [{"lang": "en", "value": "Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close, which may lead to a denial-of-service condition on the OPC UA Tunneller (versions prior to 6.3.0.8233)."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-754", "description": "IMPROPER CHECK FOR UNUSUAL OR EXCEPTIONAL CONDITIONS CWE-754", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-01-26T19:03:18.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "ID": "CVE-2020-27274", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "OPC UA Tunneller", "version": {"version_data": [{"version_value": "All versions prior to 6.3.0.8233"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close, which may lead to a denial-of-service condition on the OPC UA Tunneller (versions prior to 6.3.0.8233)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "IMPROPER CHECK FOR UNUSUAL OR EXCEPTIONAL CONDITIONS CWE-754"}]}]}, "references": {"reference_data": [{"name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T16:11:36.611Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03"}]}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2020-27274", "datePublished": "2021-01-26T19:03:18.000Z", "dateReserved": "2020-10-19T00:00:00.000Z", "dateUpdated": "2024-08-04T16:11:36.611Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "OPC UA Tunneller", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions prior to 6.3.0.8233"}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:honeywell:opc_ua_tunneller:*:*:*:*:*:*:*:*", "matchCriteriaId": "F9867ADE-A351-41AF-AB36-5B98C3E2B069", "versionEndExcluding": "6.3.0.8233", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close, which may lead to a denial-of-service condition on the OPC UA Tunneller (versions prior to 6.3.0.8233)."}, {"lang": "es", "value": "Algunas funciones de an\u00e1lisis en el producto afectado no comprueban el valor de retorno de malloc y el subproceso que maneja el mensaje est\u00e1 obligado a cerrarse, lo que puede conllevar a una condici\u00f3n de denegaci\u00f3n de servicio en el OPC UA Tunneller (versiones anteriores a 6.3.0.8233)"}], "id": "CVE-2020-27274", "lastModified": "2026-06-17T03:09:05.673", "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": "2021-01-26T19:15:12.860", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-754"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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