Vulnerability-Lookup

CNVD-2020-70925

Vulnerability from cnvd - Published: 2020-12-12

Title

Siemens SIMATIC Controller Web Servers拒绝服务漏洞

Description

Siemens SIMATIC Controller Web Servers是德国西门子（Siemens）公司的一个为西门子自动化产品提供Web端控制的平台。 Siemens SIMATIC Controller Web Servers存在安全漏洞，攻击者可利用该漏洞可以向产品的web服务器发送一个特制的HTTP请求，这可能会导致拒绝服务的情况。

Severity

中

Patch Name

Siemens SIMATIC Controller Web Servers拒绝服务漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://cert-portal.siemens.com/productcert/pdf/SSA-700697.pdf

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-20-343-09

Impacted products

Name
['Siemens SIMATIC ET 200SP Open Controller(incl. SIPLUS variants) V20.8', 'Siemens SIMATIC S7-1500 Software Controller V20.8']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-15796",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-15796"
    }
  },
  "description": "Siemens SIMATIC Controller Web Servers\u662f\u5fb7\u56fd\u897f\u95e8\u5b50\uff08Siemens\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u4e3a\u897f\u95e8\u5b50\u81ea\u52a8\u5316\u4ea7\u54c1\u63d0\u4f9bWeb\u7aef\u63a7\u5236\u7684\u5e73\u53f0\u3002\n\nSiemens SIMATIC Controller Web Servers\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u5411\u4ea7\u54c1\u7684web\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a\u7279\u5236\u7684HTTP\u8bf7\u6c42\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u7684\u60c5\u51b5\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://cert-portal.siemens.com/productcert/pdf/SSA-700697.pdf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-70925",
  "openTime": "2020-12-12",
  "patchDescription": "Siemens SIMATIC Controller Web Servers\u662f\u5fb7\u56fd\u897f\u95e8\u5b50\uff08Siemens\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u4e3a\u897f\u95e8\u5b50\u81ea\u52a8\u5316\u4ea7\u54c1\u63d0\u4f9bWeb\u7aef\u63a7\u5236\u7684\u5e73\u53f0\u3002\r\n\r\nSiemens SIMATIC Controller Web Servers\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u5411\u4ea7\u54c1\u7684web\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a\u7279\u5236\u7684HTTP\u8bf7\u6c42\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u7684\u60c5\u51b5\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 Controller Web Servers\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Siemens SIMATIC ET 200SP Open Controller(incl. SIPLUS variants) V20.8",
      "Siemens SIMATIC S7-1500 Software Controller V20.8"
    ]
  },
  "referenceLink": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-09",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-11",
  "title": "Siemens SIMATIC Controller Web Servers\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2020-15796 (GCVE-0-2020-15796)

Vulnerability from cvelistv5 – Published: 2020-12-14 21:05 – Updated: 2024-08-04 13:30

Summary

A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.

Severity

No CVSS data available.

CWE

CWE-248 - Uncaught Exception

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 ET 200SP Open Controller (incl. SIPLUS variants)	Affected: V20.8
Siemens	SIMATIC S7-1500 Software Controller	Affected: V20.8

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:30:21.823Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SIMATIC ET 200SP Open Controller (incl. SIPLUS variants)",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "V20.8"
            }
          ]
        },
        {
          "product": "SIMATIC S7-1500 Software Controller",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "V20.8"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-248",
              "description": "CWE-248: Uncaught Exception",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-14T21:05:18.000Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2020-15796",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SIMATIC ET 200SP Open Controller (incl. SIPLUS variants)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "V20.8"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SIMATIC S7-1500 Software Controller",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "V20.8"
                          }
                        ]
                      }
                    }
                  ]
                },
                "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 ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-248: Uncaught Exception"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf",
              "refsource": "MISC",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2020-15796",
    "datePublished": "2020-12-14T21:05:18.000Z",
    "dateReserved": "2020-07-15T00:00:00.000Z",
    "dateUpdated": "2024-08-04T13:30:21.823Z",
    "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.