Vulnerability-Lookup

CNVD-2021-25704

Vulnerability from cnvd - Published: 2021-04-08

Title

多款Schneider Electric产品存在未明漏洞（CNVD-2021-25704）

Description

Schneider Electric Modicon M218 Logic Controller等都是法国施耐德电气（Schneider Electric）公司的一款可编程逻辑控制器。多款Schneider Electric产品中存在安全漏洞，该漏洞源于程序将敏感信息以明文的方式传输，攻击者可利用该漏洞获取敏感信息。

Severity

中

Patch Name

多款Schneider Electric产品存在未明漏洞（CNVD-2021-25704）的补丁

Patch Description

Formal description

厂商已提供漏洞修补方案，请关注厂商主页及时更新： https://www.se.com/ww/en/download/document/SEVD-2020-105-02/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-7488

Impacted products

Name
['Schneider Electric Modicon M218', 'Schneider Electric Modicon M251', 'Schneider Electric Modicon M241', 'Schneider Electric Modicon M258']

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JSON

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    "cve": {
      "cveNumber": "CVE-2020-7488"
    }
  },
  "description": "Schneider Electric Modicon M218 Logic Controller\u7b49\u90fd\u662f\u6cd5\u56fd\u65bd\u8010\u5fb7\u7535\u6c14\uff08Schneider Electric\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\u3002\n\n\u591a\u6b3eSchneider Electric\u4ea7\u54c1\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5c06\u654f\u611f\u4fe1\u606f\u4ee5\u660e\u6587\u7684\u65b9\u5f0f\u4f20\u8f93\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-25704",
  "openTime": "2021-04-08",
  "patchDescription": "Schneider Electric Modicon M218 Logic Controller\u7b49\u90fd\u662f\u6cd5\u56fd\u65bd\u8010\u5fb7\u7535\u6c14\uff08Schneider Electric\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\u3002\r\n\r\n\u591a\u6b3eSchneider Electric\u4ea7\u54c1\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5c06\u654f\u611f\u4fe1\u606f\u4ee5\u660e\u6587\u7684\u65b9\u5f0f\u4f20\u8f93\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\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",
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  "products": {
    "product": [
      "Schneider Electric Modicon M218",
      "Schneider Electric Modicon M251",
      "Schneider Electric Modicon M241",
      "Schneider Electric Modicon M258"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-7488",
  "serverity": "\u4e2d",
  "submitTime": "2020-04-23",
  "title": "\u591a\u6b3eSchneider Electric\u4ea7\u54c1\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-25704\uff09"
}

CVE-2020-7488 (GCVE-0-2020-7488)

Vulnerability from cvelistv5 – Published: 2020-04-22 18:51 – Updated: 2026-05-28 20:29

Summary

A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 controllers.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-28 20:28 UTC

CWE

CWE-319 - Cleartext Transmission of Sensitive Information

Assigner

schneider mitre root

References

1 reference

URL	Tags
https://www.se.com/ww/en/download/document/SEVD-2…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions)	Affected: EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions)

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:33:19.616Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.se.com/ww/en/download/document/SEVD-2020-105-02"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "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:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-7488",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-28T20:28:35.740115Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-28T20:29:31.517Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions)",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions)"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 controllers."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-319",
              "description": "CWE-319: Cleartext Transmission of Sensitive Information",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-22T18:51:26.000Z",
        "orgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb",
        "shortName": "schneider"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.se.com/ww/en/download/document/SEVD-2020-105-02"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cybersecurity@schneider-electric.com",
          "ID": "CVE-2020-7488",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions)"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 controllers."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
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                  "value": "CWE-319: Cleartext Transmission of Sensitive Information"
                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.se.com/ww/en/download/document/SEVD-2020-105-02",
              "refsource": "MISC",
              "url": "https://www.se.com/ww/en/download/document/SEVD-2020-105-02"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb",
    "assignerShortName": "schneider",
    "cveId": "CVE-2020-7488",
    "datePublished": "2020-04-22T18:51:26.000Z",
    "dateReserved": "2020-01-21T00:00:00.000Z",
    "dateUpdated": "2026-05-28T20:29:31.517Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.
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CNVD-2021-25704

CVE-2020-7488 (GCVE-0-2020-7488)

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Nomenclature

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