Vulnerability-Lookup

CNVD-2021-100367

Vulnerability from cnvd - Published: 2021-12-16

Title

SINUMERIK Edge证书验证不当漏洞

Description

西门子SINUMERIK Edge是硬件和软件的结合，提供面向机器的系统平台的应用程序，促进数字生产支持和优化。 SINUMERIK Edge证书验证不当漏洞，受影响的软件在发起TLS连接时没有正确地验证服务器证书。攻击者可利用该漏洞通过干扰客户端和目标服务器之间的通信路径来欺骗受信任的实体。

Severity

中

Patch Name

SINUMERIK Edge证书验证不当漏洞的补丁

Patch Description

西门子SINUMERIK Edge是硬件和软件的结合，提供面向机器的系统平台的应用程序，促进数字生产支持和优化。 SINUMERIK Edge证书验证不当漏洞，受影响的软件在发起TLS连接时没有正确地验证服务器证书。攻击者可利用该漏洞通过干扰客户端和目标服务器之间的通信路径来欺骗受信任的实体。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

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://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf

Impacted products

Name
SIEMENS SINUMERIK Edge <V3.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-42027"
    }
  },
  "description": "\u897f\u95e8\u5b50SINUMERIK Edge\u662f\u786c\u4ef6\u548c\u8f6f\u4ef6\u7684\u7ed3\u5408\uff0c\u63d0\u4f9b\u9762\u5411\u673a\u5668\u7684\u7cfb\u7edf\u5e73\u53f0\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4fc3\u8fdb\u6570\u5b57\u751f\u4ea7\u652f\u6301\u548c\u4f18\u5316\u3002\n\nSINUMERIK Edge\u8bc1\u4e66\u9a8c\u8bc1\u4e0d\u5f53\u6f0f\u6d1e\uff0c\u53d7\u5f71\u54cd\u7684\u8f6f\u4ef6\u5728\u53d1\u8d77TLS\u8fde\u63a5\u65f6\u6ca1\u6709\u6b63\u786e\u5730\u9a8c\u8bc1\u670d\u52a1\u5668\u8bc1\u4e66\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5e72\u6270\u5ba2\u6237\u7aef\u548c\u76ee\u6807\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u8def\u5f84\u6765\u6b3a\u9a97\u53d7\u4fe1\u4efb\u7684\u5b9e\u4f53\u3002",
  "formalWay": "\u5382\u5546\u5df2\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u8865\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u53ca\u65f6\u66f4\u65b0\uff1a\r\nhttps://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-100367",
  "openTime": "2021-12-16",
  "patchDescription": "\u897f\u95e8\u5b50SINUMERIK Edge\u662f\u786c\u4ef6\u548c\u8f6f\u4ef6\u7684\u7ed3\u5408\uff0c\u63d0\u4f9b\u9762\u5411\u673a\u5668\u7684\u7cfb\u7edf\u5e73\u53f0\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4fc3\u8fdb\u6570\u5b57\u751f\u4ea7\u652f\u6301\u548c\u4f18\u5316\u3002\r\n\r\nSINUMERIK Edge\u8bc1\u4e66\u9a8c\u8bc1\u4e0d\u5f53\u6f0f\u6d1e\uff0c\u53d7\u5f71\u54cd\u7684\u8f6f\u4ef6\u5728\u53d1\u8d77TLS\u8fde\u63a5\u65f6\u6ca1\u6709\u6b63\u786e\u5730\u9a8c\u8bc1\u670d\u52a1\u5668\u8bc1\u4e66\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u5e72\u6270\u5ba2\u6237\u7aef\u548c\u76ee\u6807\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u8def\u5f84\u6765\u6b3a\u9a97\u53d7\u4fe1\u4efb\u7684\u5b9e\u4f53\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": "SINUMERIK Edge\u8bc1\u4e66\u9a8c\u8bc1\u4e0d\u5f53\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "SIEMENS SINUMERIK Edge \u003cV3.2"
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-16",
  "title": "SINUMERIK Edge\u8bc1\u4e66\u9a8c\u8bc1\u4e0d\u5f53\u6f0f\u6d1e"
}

CVE-2021-42027 (GCVE-0-2021-42027)

Vulnerability from cvelistv5 – Published: 2021-12-14 12:06 – Updated: 2024-08-04 03:22

Summary

A vulnerability has been identified in SINUMERIK Edge (All versions < V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server.

Severity

No CVSS data available.

CWE

CWE-295 - Improper Certificate Validation

Assigner

siemens icscert root

References

1 reference

URL	Tags
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Siemens	SINUMERIK Edge	Affected: All versions < V3.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:22:25.641Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SINUMERIK Edge",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V3.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in SINUMERIK Edge (All versions \u003c V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-295",
              "description": "CWE-295: Improper Certificate Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-14T12:06:39.000Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2021-42027",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SINUMERIK Edge",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V3.2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Siemens"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability has been identified in SINUMERIK Edge (All versions \u003c V3.2). The affected software does not properly validate the server certificate when initiating a TLS connection. This could allow an attacker to spoof a trusted entity by interfering in the communication path between the client and the intended server."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-295: Improper Certificate Validation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf",
              "refsource": "MISC",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-523250.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2021-42027",
    "datePublished": "2021-12-14T12:06:39.000Z",
    "dateReserved": "2021-10-06T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:22:25.641Z",
    "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.