{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T11:31:31.223","vulnerabilities":[{"cve":{"id":"CVE-2020-27263","sourceIdentifier":"ics-cert@hq.dhs.gov","published":"2021-01-14T00:15:13.353","lastModified":"2024-11-21T05:20:57.887","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All versions, OPC-Aggregator: All versions, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: v7.68.804 and v7.66, Software Toolbox TOP Server: All 6.x versions, are vulnerable to a heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data."},{"lang":"es","value":"KEPServerEX: versiones v6.0 hasta v6.9, ThingWorx Kepware Server: versiones v6.8 y v6.9, ThingWorx Industrial Connectivity: Todas las versiones, OPC-Aggregator: Todas las versiones, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: versiones v7.68.804 y v7.66, Software Toolbox TOP Server: Todas las versiones 6.x son vulnerables a un desbordamiento de búfer en la región heap de la memoria.&#xa0;Abrir un mensaje OPC UA específicamente diseñado podría permitir a un atacante bloquear el servidor y potencialmente filtrar datos"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.2}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:P","baseScore":6.4,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"ics-cert@hq.dhs.gov","type":"Secondary","description":[{"lang":"en","value":"CWE-122"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ge:industrial_gateway_server:7.66:*:*:*:*:*:*:*","matchCriteriaId":"E5AEAC75-5E69-4C49-8D57-35401400C9D2"},{"vulnerable":true,"criteria":"cpe:2.3:a:ge:industrial_gateway_server:7.68.804:*:*:*:*:*:*:*","matchCriteriaId":"906B1D62-7656-457E-B528-B0407C9D0BA4"},{"vulnerable":true,"criteria":"cpe:2.3:a:ptc:kepware_kepserverex:6.0:*:*:*:*:*:*:*","matchCriteriaId":"6994DBB6-BA65-4E47-B0E4-42310120FC04"},{"vulnerable":true,"criteria":"cpe:2.3:a:ptc:kepware_kepserverex:6.9:*:*:*:*:*:*:*","matchCriteriaId":"FC1720A3-85F1-4A85-B226-1CCBB34FCAAC"},{"vulnerable":true,"criteria":"cpe:2.3:a:ptc:opc-aggregator:-:*:*:*:*:*:*:*","matchCriteriaId":"D8F46490-09F7-488A-B1EB-2286BFA0F882"},{"vulnerable":true,"criteria":"cpe:2.3:a:ptc:thingworx_industrial_connectivity:-:*:*:*:*:*:*:*","matchCriteriaId":"D01A814D-8F2B-4B88-A66B-F2A2C293A6AB"},{"vulnerable":true,"criteria":"cpe:2.3:a:ptc:thingworx_kepware_server:6.8:*:*:*:*:*:*:*","matchCriteriaId":"2DE510A4-1D91-447E-BF61-6CDFDFF82796"},{"vulnerable":true,"criteria":"cpe:2.3:a:ptc:thingworx_kepware_server:6.9:*:*:*:*:*:*:*","matchCriteriaId":"2F16FBD0-8841-4E42-8FE6-796F7B4E5C16"},{"vulnerable":true,"criteria":"cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.6.504.0:*:*:*:*:*:*:*","matchCriteriaId":"6FFA2B21-E36C-41CE-B633-B831C6D42962"},{"vulnerable":true,"criteria":"cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.9.572.0:*:*:*:*:*:*:*","matchCriteriaId":"BACC2F09-9EC8-420A-B499-BF7CD737A473"},{"vulnerable":true,"criteria":"cpe:2.3:a:softwaretoolbox:top_server:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndIncluding":"6.9","matchCriteriaId":"95B527BB-A27F-4080-8BBB-3FCA2408B7AE"}]}]}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02","source":"ics-cert@hq.dhs.gov","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","US Government Resource"]}]}}]}