Vulnerability-Lookup

CNVD-2020-29576

Vulnerability from cnvd - Published: 2020-05-22

Title

多款Mitsubishi Electric产品资源管理错误漏洞

Description

Misubishi Electric MELSEC iQ-R series等都是日本三菱电机（Misubishi Electric）公司的一款可编程逻辑控制器。多款Mitsubishi Electric产品存在资源管理错误漏洞。攻击者可通过向MELSOFT传输端口（UDP/IP）发送大量数据利用该漏洞造成拒绝服务。

Severity

高

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法：

https://www.mitsubishielectric.com/

Impacted products

Name
['Misubishi Electric MELSEC iQ-R series', 'Misubishi Electric MELSEC iQ-F series', 'Misubishi Electric MELSEC Q series', 'Misubishi Electric MELSEC L series', 'Misubishi Electric MELSEC F series']

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-5527"
    }
  },
  "description": "Misubishi Electric MELSEC iQ-R series\u7b49\u90fd\u662f\u65e5\u672c\u4e09\u83f1\u7535\u673a\uff08Misubishi Electric\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\u3002\n\n\u591a\u6b3eMitsubishi Electric\u4ea7\u54c1\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411MELSOFT\u4f20\u8f93\u7aef\u53e3\uff08UDP/IP\uff09\u53d1\u9001\u5927\u91cf\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\n\r\nhttps://www.mitsubishielectric.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-29576",
  "openTime": "2020-05-22",
  "products": {
    "product": [
      "Misubishi Electric MELSEC iQ-R series",
      "Misubishi Electric MELSEC iQ-F series",
      "Misubishi Electric MELSEC Q series",
      "Misubishi Electric MELSEC L series",
      "Misubishi Electric MELSEC F series"
    ]
  },
  "serverity": "\u9ad8",
  "submitTime": "2020-05-22",
  "title": "\u591a\u6b3eMitsubishi Electric\u4ea7\u54c1\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-5527 (GCVE-0-2020-5527)

Vulnerability from cvelistv5 – Published: 2020-03-30 07:10 – Updated: 2024-08-04 08:30

Summary

When MELSOFT transmission port (UDP/IP) of Mitsubishi Electric MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions) receives massive amount of data via unspecified vectors, resource consumption occurs and the port does not process the data properly. As a result, it may fall into a denial-of-service (DoS) condition. The vendor states this vulnerability only affects Ethernet communication functions.

Severity

No CVSS data available.

CWE

Denial-of-service (DoS)

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://www.mitsubishielectric.com/en/psirt/vulne…	x_refsource_MISC
https://jvn.jp/en/vu/JVNVU91553662/index.html	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Mitsubishi Electric Corporation	MELSOFT transmission port (UDP/IP) of multiple Mitsubishi Electric MELSEC series	Affected: MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions)

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:30:24.568Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/vu/JVNVU91553662/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "MELSOFT transmission port (UDP/IP) of multiple Mitsubishi Electric MELSEC series",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions)"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "When MELSOFT transmission port (UDP/IP) of Mitsubishi Electric MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions) receives massive amount of data via unspecified vectors, resource consumption occurs and the port does not process the data properly. As a result, it may fall into a denial-of-service (DoS) condition. The vendor states this vulnerability only affects Ethernet communication functions."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Denial-of-service (DoS)",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-03-30T07:10:14.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jvn.jp/en/vu/JVNVU91553662/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vultures@jpcert.or.jp",
          "ID": "CVE-2020-5527",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "MELSOFT transmission port (UDP/IP) of multiple Mitsubishi Electric MELSEC series",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions)"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Mitsubishi Electric Corporation"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "eng",
              "value": "When MELSOFT transmission port (UDP/IP) of Mitsubishi Electric MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions) receives massive amount of data via unspecified vectors, resource consumption occurs and the port does not process the data properly. As a result, it may fall into a denial-of-service (DoS) condition. The vendor states this vulnerability only affects Ethernet communication functions."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial-of-service (DoS)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf",
              "refsource": "MISC",
              "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf"
            },
            {
              "name": "https://jvn.jp/en/vu/JVNVU91553662/index.html",
              "refsource": "MISC",
              "url": "https://jvn.jp/en/vu/JVNVU91553662/index.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2020-5527",
    "datePublished": "2020-03-30T07:10:14.000Z",
    "dateReserved": "2020-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-04T08:30:24.568Z",
    "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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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2020-29576

CVE-2020-5527 (GCVE-0-2020-5527)

Tags

Sightings

Nomenclature

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