Vulnerability-Lookup

CNVD-2020-72735

Vulnerability from cnvd - Published: 2020-12-19

Title

Kepware Linkmaster权限许可和访问控制问题漏洞

Description

Kepware Linkmaster是美国Kepware公司的一个适用于Windows平台应用于工业上支持OPC DA服务器之间交换数据的软件。该软件提供了一种在OPC服务器之间链接数据的方法，从而成为OPC系统的通用桥，OPC服务器又充当DDE服务器。 Kepware LinkMaster 3.0.94.0存在权限许可和访问控制问题漏洞。攻击者可以利用该漏洞全局覆盖服务配置，以使用NT系统权限执行任意代码。

Severity

高

Patch Name

Kepware Linkmaster权限许可和访问控制问题漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.kepware.com/en-us/products/linkmaster/

Reference

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147

Impacted products

Name
kepware Kepware Linkmaster 3.0.94.0

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13535",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-13535"
    }
  },
  "description": "Kepware Linkmaster\u662f\u7f8e\u56fdKepware\u516c\u53f8\u7684\u4e00\u4e2a\u9002\u7528\u4e8eWindows\u5e73\u53f0\u5e94\u7528\u4e8e\u5de5\u4e1a\u4e0a\u652f\u6301OPC DA\u670d\u52a1\u5668\u4e4b\u95f4\u4ea4\u6362\u6570\u636e\u7684\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728OPC\u670d\u52a1\u5668\u4e4b\u95f4\u94fe\u63a5\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u4ece\u800c\u6210\u4e3aOPC\u7cfb\u7edf\u7684\u901a\u7528\u6865\uff0cOPC\u670d\u52a1\u5668\u53c8\u5145\u5f53DDE\u670d\u52a1\u5668\u3002\n\nKepware LinkMaster 3.0.94.0\u5b58\u5728\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5168\u5c40\u8986\u76d6\u670d\u52a1\u914d\u7f6e\uff0c\u4ee5\u4f7f\u7528NT\u7cfb\u7edf\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.kepware.com/en-us/products/linkmaster/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-72735",
  "openTime": "2020-12-19",
  "patchDescription": "Kepware Linkmaster\u662f\u7f8e\u56fdKepware\u516c\u53f8\u7684\u4e00\u4e2a\u9002\u7528\u4e8eWindows\u5e73\u53f0\u5e94\u7528\u4e8e\u5de5\u4e1a\u4e0a\u652f\u6301OPC DA\u670d\u52a1\u5668\u4e4b\u95f4\u4ea4\u6362\u6570\u636e\u7684\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728OPC\u670d\u52a1\u5668\u4e4b\u95f4\u94fe\u63a5\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u4ece\u800c\u6210\u4e3aOPC\u7cfb\u7edf\u7684\u901a\u7528\u6865\uff0cOPC\u670d\u52a1\u5668\u53c8\u5145\u5f53DDE\u670d\u52a1\u5668\u3002\r\n\r\nKepware LinkMaster 3.0.94.0\u5b58\u5728\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5168\u5c40\u8986\u76d6\u670d\u52a1\u914d\u7f6e\uff0c\u4ee5\u4f7f\u7528NT\u7cfb\u7edf\u6743\u9650\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Kepware Linkmaster\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "kepware Kepware Linkmaster 3.0.94.0"
  },
  "referenceLink": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147",
  "serverity": "\u9ad8",
  "submitTime": "2020-12-17",
  "title": "Kepware Linkmaster\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-13535 (GCVE-0-2020-13535)

Vulnerability from cvelistv5 – Published: 2020-12-18 20:39 – Updated: 2024-08-04 12:18

Summary

A privilege escalation vulnerability exists in Kepware LinkMaster 3.0.94.0. In its default configuration, an attacker can globally overwrite service configuration to execute arbitrary code with NT SYSTEM privileges.

Severity

9.3 (Critical)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-276 - Incorrect Default Permissions

Assigner

talos mitre root

References

1 reference

URL	Tags
https://talosintelligence.com/vulnerability_repor…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Kepware	Affected: Kepware LinkMaster 3.0.94.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:18:18.441Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Kepware",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Kepware LinkMaster 3.0.94.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A privilege escalation vulnerability exists in Kepware LinkMaster 3.0.94.0. In its default configuration, an attacker can globally overwrite service configuration to execute arbitrary code with NT SYSTEM privileges."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-276",
              "description": "CWE-276: Incorrect Default Permissions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-18T20:39:31.000Z",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "ID": "CVE-2020-13535",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Kepware",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Kepware LinkMaster 3.0.94.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "lang": "eng",
              "value": "A privilege escalation vulnerability exists in Kepware LinkMaster 3.0.94.0. In its default configuration, an attacker can globally overwrite service configuration to execute arbitrary code with NT SYSTEM privileges."
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          "cvss": {
            "baseScore": 9.3,
            "baseSeverity": "Critical",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
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                  "value": "CWE-276: Incorrect Default Permissions"
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          ]
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        "references": {
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              "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147",
              "refsource": "MISC",
              "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2020-13535",
    "datePublished": "2020-12-18T20:39:31.000Z",
    "dateReserved": "2020-05-26T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:18:18.441Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

CNVD-2020-72735

CVE-2020-13535 (GCVE-0-2020-13535)

Tags

Sightings

Nomenclature

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