Vulnerability-Lookup

CNVD-2021-45721

Vulnerability from cnvd - Published: 2021-06-29

Title

Schneider Electric homeLYnk和spaceLYnk未授权访问漏洞

Description

Schneider Electric homeLYnk和spaceLYnk都是法国施耐德电气（Schneider Electric）公司用于不同逻辑控制器的自动化编程软件。 Schneider Electric homeLYnk和spaceLYnk存在未授权访问漏洞，该漏洞源于存在破损或危险的密码算法，攻击可利用此漏洞未授权访问系统。

Severity

中

Patch Name

Schneider Electric homeLYnk和spaceLYnk未授权访问漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-22738

Impacted products

Name
['Schneider-Electric spaceLYnk <=v2.60', 'Schneider Electric HomeLYnk和SpaceLYnk <=v2.60']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-22738",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-22738"
    }
  },
  "description": "Schneider Electric homeLYnk\u548cspaceLYnk\u90fd\u662f\u6cd5\u56fd\u65bd\u8010\u5fb7\u7535\u6c14\uff08Schneider Electric\uff09\u516c\u53f8\u7528\u4e8e\u4e0d\u540c\u903b\u8f91\u63a7\u5236\u5668\u7684\u81ea\u52a8\u5316\u7f16\u7a0b\u8f6f\u4ef6\u3002\n\nSchneider Electric homeLYnk\u548cspaceLYnk\u5b58\u5728\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5b58\u5728\u7834\u635f\u6216\u5371\u9669\u7684\u5bc6\u7801\u7b97\u6cd5\uff0c\u653b\u51fb\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u672a\u6388\u6743\u8bbf\u95ee\u7cfb\u7edf\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://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-45721",
  "openTime": "2021-06-29",
  "patchDescription": "Schneider Electric homeLYnk\u548cspaceLYnk\u90fd\u662f\u6cd5\u56fd\u65bd\u8010\u5fb7\u7535\u6c14\uff08Schneider Electric\uff09\u516c\u53f8\u7528\u4e8e\u4e0d\u540c\u903b\u8f91\u63a7\u5236\u5668\u7684\u81ea\u52a8\u5316\u7f16\u7a0b\u8f6f\u4ef6\u3002\r\n\r\nSchneider Electric homeLYnk\u548cspaceLYnk\u5b58\u5728\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5b58\u5728\u7834\u635f\u6216\u5371\u9669\u7684\u5bc6\u7801\u7b97\u6cd5\uff0c\u653b\u51fb\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u672a\u6388\u6743\u8bbf\u95ee\u7cfb\u7edf\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": "Schneider Electric homeLYnk\u548cspaceLYnk\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Schneider-Electric spaceLYnk \u003c=v2.60",
      "Schneider Electric HomeLYnk\u548cSpaceLYnk \u003c=v2.60"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-22738",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-27",
  "title": "Schneider Electric homeLYnk\u548cspaceLYnk\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e"
}

CVE-2021-22738 (GCVE-0-2021-22738)

Vulnerability from cvelistv5 – Published: 2021-05-26 19:19 – Updated: 2024-08-03 18:51

Summary

Use of a Broken or Risky Cryptographic Algorithm vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior that could cause unauthorized access when credentials are discovered after a brute force attack.

Severity

No CVSS data available.

CWE

CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

schneider mitre root

References

1 reference

URL	Tags
https://download.schneider-electric.com/files?p_D…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior	Affected: homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:51:07.092Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
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            }
          ]
        }
      ],
      "descriptions": [
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        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "lang": "en",
              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-26T19:19:59.000Z",
        "orgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb",
        "shortName": "schneider"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cybersecurity@schneider-electric.com",
          "ID": "CVE-2021-22738",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior"
                          }
                        ]
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                    }
                  ]
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                "vendor_name": "n/a"
              }
            ]
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            }
          ]
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        "problemtype": {
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  "cveMetadata": {
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    "datePublished": "2021-05-26T19:19:59.000Z",
    "dateReserved": "2021-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:51:07.092Z",
    "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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

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.