Vulnerability-Lookup

CNVD-2022-28495

Vulnerability from cnvd - Published: 2022-04-13

Title

Siemens SIMATIC S7-400 CPU拒绝服务漏洞

Description

SIMATIC S7-400 CPU系列产品专为工业环境中的过程控制而设计。 Siemens SIMATIC S7-400 CPU存在拒绝服务漏洞，攻击者可利用该漏洞创建拒绝服务条件。

Severity

高

Patch Name

Siemens SIMATIC S7-400 CPU拒绝服务漏洞的补丁

Patch Description

SIMATIC S7-400 CPU系列产品专为工业环境中的过程控制而设计。 Siemens SIMATIC S7-400 CPU存在拒绝服务漏洞，攻击者可利用该漏洞创建拒绝服务条件。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

厂商已发布了漏洞修复程序，请及时关注更新： https://www.siemens.com/

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf

Impacted products

Name
['Siemens SIMATIC S7-400 H V6 CPU family <6.0.10', 'Siemens SIMATIC S7-400 PN/DP V7 CPU family', 'Siemens SIMATIC S7-410 V8 CPU family', 'Siemens SIMATIC S7-410 V10 CPU family <10.1']

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JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-40368"
    }
  },
  "description": "SIMATIC S7-400 CPU\u7cfb\u5217\u4ea7\u54c1\u4e13\u4e3a\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u8fc7\u7a0b\u63a7\u5236\u800c\u8bbe\u8ba1\u3002\n\nSiemens SIMATIC S7-400 CPU\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u521b\u5efa\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\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://www.siemens.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-28495",
  "openTime": "2022-04-13",
  "patchDescription": "SIMATIC S7-400 CPU\u7cfb\u5217\u4ea7\u54c1\u4e13\u4e3a\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u8fc7\u7a0b\u63a7\u5236\u800c\u8bbe\u8ba1\u3002\r\n\r\nSiemens SIMATIC S7-400 CPU\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u521b\u5efa\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\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 S7-400 CPU\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Siemens SIMATIC S7-400 H V6 CPU family \u003c6.0.10",
      "Siemens SIMATIC S7-400 PN/DP V7 CPU family",
      "Siemens SIMATIC S7-410 V8 CPU family",
      "Siemens SIMATIC S7-410 V10 CPU family \u003c10.1"
    ]
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf",
  "serverity": "\u9ad8",
  "submitTime": "2022-04-13",
  "title": "Siemens SIMATIC S7-400 CPU\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2021-40368 (GCVE-0-2021-40368)

Vulnerability from cvelistv5 – Published: 2022-04-12 09:07 – Updated: 2025-04-21 13:54

Summary

A vulnerability has been identified in SIMATIC S7-400 CPU 412-1 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414-2 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416-2 DP V7 (All versions), SIMATIC S7-400 CPU 416-3 DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416F-2 DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 417-4 DP V7 (All versions), SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) (All versions < V6.0.10), SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants) (All versions < V10.1), SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) (All versions < V8.2.3), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIPLUS S7-400 CPU 416-3 V7 (All versions), SIPLUS S7-400 CPU 417-4 V7 (All versions). Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a Denial-of-Service condition. A restart is needed to restore normal operations.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-18 15:12 UTC

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

siemens icscert root

References

1 reference

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

Impacted products

20 products

Vendor	Product	Version
Siemens	SIMATIC S7-400 CPU 412-1 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 412-2 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 412-2 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIMATIC S7-400 CPU 414-2 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 414-3 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 414-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIMATIC S7-400 CPU 414F-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIMATIC S7-400 CPU 416-2 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 416-3 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 416-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIMATIC S7-400 CPU 416F-2 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 416F-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIMATIC S7-400 CPU 417-4 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants)	Affected: All versions < V6.0.10
Siemens	SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants)	Affected: All versions < V10.1
Siemens	SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants)	Affected: All versions < V8.2.3
Siemens	SIPLUS S7-400 CPU 414-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIPLUS S7-400 CPU 416-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIPLUS S7-400 CPU 416-3 V7	Affected: All versions
Siemens	SIPLUS S7-400 CPU 417-4 V7	Affected: All versions

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:44:09.608Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-40368",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-18T15:12:26.532560Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-21T13:54:27.056Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 412-1 DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 412-2 DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 412-2 PN/DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V7.0.3"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 414-2 DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 414-3 DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 414-3 PN/DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V7.0.3"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 414F-3 PN/DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V7.0.3"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 416-2 DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 416-3 DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 416-3 PN/DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V7.0.3"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 416F-2 DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 416F-3 PN/DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V7.0.3"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": " SIMATIC S7-400 CPU 417-4 DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants)",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V6.0.10"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants)",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V10.1"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants)",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V8.2.3"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPLUS S7-400 CPU 414-3 PN/DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V7.0.3"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPLUS S7-400 CPU 416-3 PN/DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V7.0.3"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPLUS S7-400 CPU 416-3 V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPLUS S7-400 CPU 417-4 V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in  SIMATIC S7-400 CPU 412-1 DP V7 (All versions),  SIMATIC S7-400 CPU 412-2 DP V7 (All versions),  SIMATIC S7-400 CPU 412-2 PN/DP V7 (All versions \u003c V7.0.3),  SIMATIC S7-400 CPU 414-2 DP V7 (All versions),  SIMATIC S7-400 CPU 414-3 DP V7 (All versions),  SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions \u003c V7.0.3),  SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions \u003c V7.0.3),  SIMATIC S7-400 CPU 416-2 DP V7 (All versions),  SIMATIC S7-400 CPU 416-3 DP V7 (All versions),  SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions \u003c V7.0.3),  SIMATIC S7-400 CPU 416F-2 DP V7 (All versions),  SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions \u003c V7.0.3),  SIMATIC S7-400 CPU 417-4 DP V7 (All versions), SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) (All versions \u003c V6.0.10), SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants) (All versions \u003c V10.1), SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) (All versions \u003c V8.2.3), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions \u003c V7.0.3), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions \u003c V7.0.3), SIPLUS S7-400 CPU 416-3 V7 (All versions), SIPLUS S7-400 CPU 417-4 V7 (All versions). Affected devices improperly handle specially crafted packets sent to port 102/tcp.\n\nThis could allow an attacker to create a Denial-of-Service condition. A restart is needed to restore normal operations."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-11T09:02:03.176Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-557541.pdf"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2021-40368",
    "datePublished": "2022-04-12T09:07:23.000Z",
    "dateReserved": "2021-09-01T00:00:00.000Z",
    "dateUpdated": "2025-04-21T13:54:27.056Z",
    "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.

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.

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CNVD-2022-28495

CVE-2021-40368 (GCVE-0-2021-40368)

Tags

Sightings

Nomenclature

Related by attack behaviour