cnvd - cnvd-2021-67536

cnvd-2021-67536

Vulnerability from cnvd

Title: Siemens SIMATIC PCS 7安全绕过漏洞

Description:

Siemens SIMATIC PCS 7是德国西门子（Siemens）公司的一套过程控制系统。

Siemens SIMATIC PCS 7存在安全漏洞，攻击者可利用漏洞更改某些元文件的内容。

Severity: 高

Patch Name: Siemens SIMATIC PCS 7安全绕过漏洞的补丁

Patch Description:

Siemens SIMATIC PCS 7是德国西门子（Siemens）公司的一套过程控制系统。

Siemens SIMATIC PCS 7存在安全漏洞，攻击者可利用漏洞更改某些元文件的内容。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf

Reference: https://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf

Impacted products

Name
['SIEMENS SIMATIC PDM', 'SIEMENS SIMATIC PCS 7 <=V8.2', 'SIEMENS SINAMICS STARTER (containing STEP 7 OEM version)', 'Siemens SIMATIC STEP 7 < V5.7', 'SIEMENS SIMATIC PCS 7 V9.X']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-31894"
    }
  },
  "description": "Siemens SIMATIC PCS 7\u662f\u5fb7\u56fd\u897f\u95e8\u5b50\uff08Siemens\uff09\u516c\u53f8\u7684\u4e00\u5957\u8fc7\u7a0b\u63a7\u5236\u7cfb\u7edf\u3002\n\nSiemens SIMATIC PCS 7\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u66f4\u6539\u67d0\u4e9b\u5143\u6587\u4ef6\u7684\u5185\u5bb9\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-67536",
  "openTime": "2021-09-02",
  "patchDescription": "Siemens SIMATIC PCS 7\u662f\u5fb7\u56fd\u897f\u95e8\u5b50\uff08Siemens\uff09\u516c\u53f8\u7684\u4e00\u5957\u8fc7\u7a0b\u63a7\u5236\u7cfb\u7edf\u3002\r\n\r\nSiemens SIMATIC PCS 7\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u66f4\u6539\u67d0\u4e9b\u5143\u6587\u4ef6\u7684\u5185\u5bb9\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 PCS 7\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "SIEMENS SIMATIC PDM",
      "SIEMENS SIMATIC PCS 7 \u003c=V8.2",
      "SIEMENS SINAMICS STARTER (containing STEP 7 OEM version)",
      "Siemens SIMATIC STEP 7 \u003c V5.7",
      "SIEMENS SIMATIC PCS 7 V9.X"
    ]
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf",
  "serverity": "\u9ad8",
  "submitTime": "2021-07-16",
  "title": "Siemens SIMATIC PCS 7\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2021-31894 (GCVE-0-2021-31894)

Vulnerability from cvelistv5

Published

2021-07-13 11:02

Modified

2024-08-03 23:10

Severity ?

CWE

CWE-732 - Incorrect Permission Assignment for Critical Resource

Summary

A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.X (All versions < V9.1 SP2), SIMATIC PDM (All versions < V9.2 SP2), SIMATIC STEP 7 V5.X (All versions < V5.7), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 SP2 HF1). A directory containing metafiles relevant to devices' configurations has write permissions. An attacker could leverage this vulnerability by changing the content of certain metafiles and subsequently manipulate parameters or behavior of devices that would be later configured by the affected software.

References

▼	URL	Tags
	https://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

Siemens

SIMATIC PCS 7 V8.2 and earlier

Version: All versions

Siemens	SIMATIC PCS 7 V9.X	Version: All versions < V9.1 SP2
Siemens	SIMATIC PDM	Version: All versions < V9.2 SP2
Siemens	SIMATIC STEP 7 V5.X	Version: All versions < V5.7
Siemens	SINAMICS STARTER (containing STEP 7 OEM version)	Version: All versions < V5.4 SP2 HF1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:10:30.952Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SIMATIC PCS 7 V8.2 and earlier",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "product": "SIMATIC PCS 7 V9.X",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V9.1 SP2"
            }
          ]
        },
        {
          "product": "SIMATIC PDM",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V9.2 SP2"
            }
          ]
        },
        {
          "product": "SIMATIC STEP 7 V5.X",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V5.7"
            }
          ]
        },
        {
          "product": "SINAMICS STARTER (containing STEP 7 OEM version)",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c  V5.4 SP2 HF1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.X (All versions \u003c V9.1 SP2), SIMATIC PDM (All versions \u003c V9.2 SP2), SIMATIC STEP 7 V5.X (All versions \u003c V5.7), SINAMICS STARTER (containing STEP 7 OEM version) (All versions \u003c V5.4 SP2 HF1). A directory containing metafiles relevant to devices\u0027 configurations has write permissions. An attacker could leverage this vulnerability by changing the content of certain metafiles and subsequently manipulate parameters or behavior of devices that would be later configured by the affected software."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-732",
              "description": "CWE-732: Incorrect Permission Assignment for Critical Resource",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-08-10T11:17:00",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2021-31894",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SIMATIC PCS 7 V8.2 and earlier",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SIMATIC PCS 7 V9.X",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V9.1 SP2"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SIMATIC PDM",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V9.2 SP2"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SIMATIC STEP 7 V5.X",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V5.7"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SINAMICS STARTER (containing STEP 7 OEM version)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c  V5.4 SP2 HF1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "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 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.X (All versions \u003c V9.1 SP2), SIMATIC PDM (All versions \u003c V9.2 SP2), SIMATIC STEP 7 V5.X (All versions \u003c V5.7), SINAMICS STARTER (containing STEP 7 OEM version) (All versions \u003c V5.4 SP2 HF1). A directory containing metafiles relevant to devices\u0027 configurations has write permissions. An attacker could leverage this vulnerability by changing the content of certain metafiles and subsequently manipulate parameters or behavior of devices that would be later configured by the affected software."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-732: Incorrect Permission Assignment for Critical Resource"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf",
              "refsource": "MISC",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-661034.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2021-31894",
    "datePublished": "2021-07-13T11:02:58",
    "dateReserved": "2021-04-29T00:00:00",
    "dateUpdated": "2024-08-03T23:10:30.952Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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