Vulnerability-Lookup

CNVD-2021-12077

Vulnerability from cnvd - Published: 2021-02-23

Title

Siemens SIMATIC WinCC绕过身份验证漏洞

Description

Siemens SIMATIC WinCC是德国西门子（Siemens）公司的一套自动化的数据采集与监控（SCADA）系统。 Siemens SIMATIC WinCC存在安全漏洞。该漏洞是由于密码验证过程不安全，攻击者可利用漏洞绕过对受保护文件设置的密码保护，从而获得对受保护内容的访问权限，从而绕过身份验证。

Severity

低

Patch Name

Siemens SIMATIC WinCC绕过身份验证漏洞的补丁

Patch Description

Formal description

用户可参考如下供应商提供的安全公告获得补丁信息： https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf

Impacted products

Name
['SIEMENS SIMATIC PCS 7', 'Siemens SIMATIC WinCC < V7.5 SP2']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-10048"
    }
  },
  "description": "Siemens SIMATIC WinCC\u662f\u5fb7\u56fd\u897f\u95e8\u5b50\uff08Siemens\uff09\u516c\u53f8\u7684\u4e00\u5957\u81ea\u52a8\u5316\u7684\u6570\u636e\u91c7\u96c6\u4e0e\u76d1\u63a7\uff08SCADA\uff09\u7cfb\u7edf\u3002\n\nSiemens SIMATIC WinCC\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8e\u5bc6\u7801\u9a8c\u8bc1\u8fc7\u7a0b\u4e0d\u5b89\u5168\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u7ed5\u8fc7\u5bf9\u53d7\u4fdd\u62a4\u6587\u4ef6\u8bbe\u7f6e\u7684\u5bc6\u7801\u4fdd\u62a4\uff0c\u4ece\u800c\u83b7\u5f97\u5bf9\u53d7\u4fdd\u62a4\u5185\u5bb9\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u4ece\u800c\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u3002",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-12077",
  "openTime": "2021-02-23",
  "patchDescription": "Siemens SIMATIC WinCC\u662f\u5fb7\u56fd\u897f\u95e8\u5b50\uff08Siemens\uff09\u516c\u53f8\u7684\u4e00\u5957\u81ea\u52a8\u5316\u7684\u6570\u636e\u91c7\u96c6\u4e0e\u76d1\u63a7\uff08SCADA\uff09\u7cfb\u7edf\u3002\r\n\r\nSiemens SIMATIC WinCC\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8e\u5bc6\u7801\u9a8c\u8bc1\u8fc7\u7a0b\u4e0d\u5b89\u5168\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u7ed5\u8fc7\u5bf9\u53d7\u4fdd\u62a4\u6587\u4ef6\u8bbe\u7f6e\u7684\u5bc6\u7801\u4fdd\u62a4\uff0c\u4ece\u800c\u83b7\u5f97\u5bf9\u53d7\u4fdd\u62a4\u5185\u5bb9\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u4ece\u800c\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\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": "Siemens SIMATIC WinCC\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "SIEMENS SIMATIC PCS 7",
      "Siemens SIMATIC WinCC \u003c V7.5 SP2"
    ]
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf",
  "serverity": "\u4f4e",
  "submitTime": "2021-02-20",
  "title": "Siemens SIMATIC WinCC\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u6f0f\u6d1e"
}

CVE-2020-10048 (GCVE-0-2020-10048)

Vulnerability from cvelistv5 – Published: 2021-02-09 15:38 – Updated: 2024-08-04 10:50

Summary

A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions < V7.5 SP2). Due to an insecure password verification process, an attacker could bypass the password protection set on protected files, thus being granted access to the protected content, circumventing authentication.

Severity

No CVSS data available.

CWE

CWE-288 - Authentication Bypass Using an Alternate Path or Channel

Assigner

siemens icscert root

References

1 reference

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

Impacted products

2 products

Vendor	Product	Version
Siemens	SIMATIC PCS 7	Affected: All versions
Siemens	SIMATIC WinCC	Affected: All versions < V7.5 SP2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:50:57.903Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SIMATIC PCS 7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "product": "SIMATIC WinCC",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V7.5 SP2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions \u003c V7.5 SP2). Due to an insecure password verification process, an attacker could bypass the password protection set on protected files, thus being granted access to the protected content, circumventing authentication."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-288",
              "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-02-09T15:38:17.000Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2020-10048",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SIMATIC PCS 7",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SIMATIC WinCC",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V7.5 SP2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "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 SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions \u003c V7.5 SP2). Due to an insecure password verification process, an attacker could bypass the password protection set on protected files, thus being granted access to the protected content, circumventing authentication."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-288: Authentication Bypass Using an Alternate Path or Channel"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf",
              "refsource": "MISC",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2020-10048",
    "datePublished": "2021-02-09T15:38:17.000Z",
    "dateReserved": "2020-03-04T00:00:00.000Z",
    "dateUpdated": "2024-08-04T10:50:57.903Z",
    "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.