FKIE_CVE-2020-27263

Vulnerability from fkie_nvd - Published: 2021-01-14 00:15 - Updated: 2026-06-17 03:09
Severity
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Summary
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.
References
ics-cert@hq.dhs.govhttps://us-cert.cisa.gov/ics/advisories/icsa-20-352-02Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
ge industrial_gateway_server 7.66
ge industrial_gateway_server 7.68.804
ptc kepware_kepserverex 6.0
ptc kepware_kepserverex 6.9
ptc opc-aggregator -
ptc thingworx_industrial_connectivity -
ptc thingworx_kepware_server 6.8
ptc thingworx_kepware_server 6.9
rockwellautomation kepserver_enterprise 6.6.504.0
rockwellautomation kepserver_enterprise 6.9.572.0
softwaretoolbox top_server *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "PTC Kepware KEPServerEX",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "v6.0 to v6.9"
            }
          ]
        },
        {
          "product": "ThingWorx Kepware Server",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "v6.8 and v6.9"
            }
          ]
        },
        {
          "product": "ThingWorx Industrial Connectivity",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "product": "OPC-Aggregator",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "product": "Rockwell Automation KEPServer Enterprise",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "product": "GE Digital Industrial Gateway Server",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "v7.68.804"
            },
            {
              "status": "affected",
              "version": "v7.66"
            }
          ]
        },
        {
          "product": "Software Toolbox TOP Server",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "All 6.x versions"
            }
          ]
        }
      ],
      "source": "ics-cert@hq.dhs.gov"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "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:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "95B527BB-A27F-4080-8BBB-3FCA2408B7AE",
              "versionEndIncluding": "6.9",
              "versionStartIncluding": "6.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "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 b\u00fafer en la regi\u00f3n heap de la memoria.\u0026#xa0;Abrir un mensaje OPC UA espec\u00edficamente dise\u00f1ado podr\u00eda permitir a un atacante bloquear el servidor y potencialmente filtrar datos"
    }
  ],
  "id": "CVE-2020-27263",
  "lastModified": "2026-06-17T03:09:04.717",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-01-14T00:15:13.353",
  "references": [
    {
      "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"
      ],
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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