Vulnerability-Lookup

CNVD-2021-45720

Vulnerability from cnvd - Published: 2021-06-29

Title

Schneider Electric homeLYnk和spaceLYnk加密签名漏洞

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存在安全漏洞，该漏洞源于存在不正确的密码签名验证，攻击者可利用漏洞执行代码。

Severity

中

Patch Name

Schneider Electric homeLYnk和spaceLYnk加密签名漏洞的补丁

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-2021-22735

Impacted products

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

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-22735",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-22735"
    }
  },
  "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\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5b58\u5728\u4e0d\u6b63\u786e\u7684\u5bc6\u7801\u7b7e\u540d\u9a8c\u8bc1\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u6267\u884c\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://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-45720",
  "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\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5b58\u5728\u4e0d\u6b63\u786e\u7684\u5bc6\u7801\u7b7e\u540d\u9a8c\u8bc1\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u6267\u884c\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": "Schneider Electric homeLYnk\u548cspaceLYnk\u52a0\u5bc6\u7b7e\u540d\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-2021-22735",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-27",
  "title": "Schneider Electric homeLYnk\u548cspaceLYnk\u52a0\u5bc6\u7b7e\u540d\u6f0f\u6d1e"
}

CVE-2021-22735 (GCVE-0-2021-22735)

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

Summary

Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device.

Severity

No CVSS data available.

CWE

CWE-347 - Improper Verification of Cryptographic Signature

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

To clipboard

{
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    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:51:07.376Z",
          "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",
              "version": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-347",
              "description": "CWE-347: Improper Verification of Cryptographic Signature",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-26T19:19:43.000Z",
        "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-2021-22735",
          "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"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
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        },
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            }
          ]
        },
        "problemtype": {
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                  "lang": "eng",
                  "value": "CWE-347: Improper Verification of Cryptographic Signature"
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              ]
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          ]
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        "references": {
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              "name": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04",
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          ]
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  "cveMetadata": {
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    "assignerShortName": "schneider",
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    "datePublished": "2021-05-26T19:19:43.000Z",
    "dateReserved": "2021-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:51:07.376Z",
    "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.