Vulnerability-Lookup

CNVD-2022-56478

Vulnerability from cnvd - Published: 2022-08-12

Title

Siemens SICAM A8000 Web Server Module身份验证绕过漏洞

Description

SICAM A8000 RTU（远程终端装置）系列是一个模块化设备系列，适用于所有能源供应领域的远程控制和自动化应用。 Siemens SICAM A8000 Web Server Module存在身份验证绕过漏洞，该漏洞是由于组件允许激活web服务器模块，该模块提供对其网页的未经验证的访问。攻击者可利用该漏洞从组件（如内部网络拓扑或连接的系统）检索调试级别信息。

Severity

中

Patch Name

Siemens SICAM A8000 Web Server Module身份验证绕过漏洞的补丁

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/html/ssa-185638.html

Reference

https://cert-portal.siemens.com/productcert/html/ssa-185638.html

Impacted products

Name
['Siemens CP-8022 MASTER MODULE WITH GPRS (6MF2802-2AA00)', 'Siemens CP-8021 MASTER MODULE (6MF2802-1AA00)', 'Siemens CP-8000 MASTER MODULE WITH I/O -40/+70°C (6MF2101-1AB10-0AA0)', 'Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°C (6MF2101-0AB10-0AA0)']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-46304"
    }
  },
  "description": "SICAM A8000 RTU\uff08\u8fdc\u7a0b\u7ec8\u7aef\u88c5\u7f6e\uff09\u7cfb\u5217\u662f\u4e00\u4e2a\u6a21\u5757\u5316\u8bbe\u5907\u7cfb\u5217\uff0c\u9002\u7528\u4e8e\u6240\u6709\u80fd\u6e90\u4f9b\u5e94\u9886\u57df\u7684\u8fdc\u7a0b\u63a7\u5236\u548c\u81ea\u52a8\u5316\u5e94\u7528\u3002\n\nSiemens SICAM A8000 Web Server Module\u5b58\u5728\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8e\u7ec4\u4ef6\u5141\u8bb8\u6fc0\u6d3bweb\u670d\u52a1\u5668\u6a21\u5757\uff0c\u8be5\u6a21\u5757\u63d0\u4f9b\u5bf9\u5176\u7f51\u9875\u7684\u672a\u7ecf\u9a8c\u8bc1\u7684\u8bbf\u95ee\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ece\u7ec4\u4ef6\uff08\u5982\u5185\u90e8\u7f51\u7edc\u62d3\u6251\u6216\u8fde\u63a5\u7684\u7cfb\u7edf\uff09\u68c0\u7d22\u8c03\u8bd5\u7ea7\u522b\u4fe1\u606f\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/html/ssa-185638.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-56478",
  "openTime": "2022-08-12",
  "patchDescription": "SICAM A8000 RTU\uff08\u8fdc\u7a0b\u7ec8\u7aef\u88c5\u7f6e\uff09\u7cfb\u5217\u662f\u4e00\u4e2a\u6a21\u5757\u5316\u8bbe\u5907\u7cfb\u5217\uff0c\u9002\u7528\u4e8e\u6240\u6709\u80fd\u6e90\u4f9b\u5e94\u9886\u57df\u7684\u8fdc\u7a0b\u63a7\u5236\u548c\u81ea\u52a8\u5316\u5e94\u7528\u3002\r\n\r\nSiemens SICAM A8000 Web Server Module\u5b58\u5728\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8e\u7ec4\u4ef6\u5141\u8bb8\u6fc0\u6d3bweb\u670d\u52a1\u5668\u6a21\u5757\uff0c\u8be5\u6a21\u5757\u63d0\u4f9b\u5bf9\u5176\u7f51\u9875\u7684\u672a\u7ecf\u9a8c\u8bc1\u7684\u8bbf\u95ee\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ece\u7ec4\u4ef6\uff08\u5982\u5185\u90e8\u7f51\u7edc\u62d3\u6251\u6216\u8fde\u63a5\u7684\u7cfb\u7edf\uff09\u68c0\u7d22\u8c03\u8bd5\u7ea7\u522b\u4fe1\u606f\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 SICAM A8000 Web Server Module\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Siemens CP-8022 MASTER MODULE WITH GPRS (6MF2802-2AA00)",
      "Siemens CP-8021 MASTER MODULE (6MF2802-1AA00)",
      "Siemens CP-8000 MASTER MODULE WITH I/O -40/+70\u00b0C (6MF2101-1AB10-0AA0)",
      "Siemens CP-8000 MASTER MODULE WITH I/O -25/+70\u00b0C (6MF2101-0AB10-0AA0)"
    ]
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/html/ssa-185638.html",
  "serverity": "\u4e2d",
  "submitTime": "2022-08-09",
  "title": "Siemens SICAM A8000 Web Server Module\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2021-46304 (GCVE-0-2021-46304)

Vulnerability from cvelistv5 – Published: 2022-08-10 11:17 – Updated: 2025-10-20 18:00

Summary

A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions), CP-8000 MASTER MODULE WITH I/O -40/+70°C (All versions), CP-8021 MASTER MODULE (All versions), CP-8022 MASTER MODULE WITH GPRS (All versions). The component allows to activate a web server module which provides unauthenticated access to its web pages. This could allow an attacker to retrieve debug-level information from the component such as internal network topology or connected systems.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-20 17:59 UTC

CWE

CWE-284 - Improper Access Control

Assigner

siemens icscert root

References

1 reference

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

Impacted products

4 products

Vendor	Product	Version
Siemens	CP-8000 MASTER MODULE WITH I/O -25/+70°C	Affected: All versions
Siemens	CP-8000 MASTER MODULE WITH I/O -40/+70°C	Affected: All versions
Siemens	CP-8021 MASTER MODULE	Affected: All versions
Siemens	CP-8022 MASTER MODULE WITH GPRS	Affected: All versions

Show details on NVD website

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:02:11.304Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-185638.pdf"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-46304",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-20T17:59:46.912131Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-20T18:00:06.685Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "CP-8000 MASTER MODULE WITH I/O -25/+70\u00b0C",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "product": "CP-8000 MASTER MODULE WITH I/O -40/+70\u00b0C",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "product": "CP-8021 MASTER MODULE",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "product": "CP-8022 MASTER MODULE WITH GPRS",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70\u00b0C (All versions), CP-8000 MASTER MODULE WITH I/O -40/+70\u00b0C (All versions), CP-8021 MASTER MODULE (All versions), CP-8022 MASTER MODULE WITH GPRS (All versions). The component allows to activate a web server module which provides unauthenticated access to its web pages. This could allow an attacker to retrieve debug-level information from the component such as internal network topology or connected systems."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-08-10T11:17:23.000Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-185638.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2021-46304",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "CP-8000 MASTER MODULE WITH I/O -25/+70\u00b0C",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "CP-8000 MASTER MODULE WITH I/O -40/+70\u00b0C",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "CP-8021 MASTER MODULE",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "CP-8022 MASTER MODULE WITH GPRS",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Siemens"
              }
            ]
          }
        },
        "data_format": "MITRE",
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        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability has been identified in CP-8000 MASTER MODULE WITH I/O -25/+70\u00b0C (All versions), CP-8000 MASTER MODULE WITH I/O -40/+70\u00b0C (All versions), CP-8021 MASTER MODULE (All versions), CP-8022 MASTER MODULE WITH GPRS (All versions). The component allows to activate a web server module which provides unauthenticated access to its web pages. This could allow an attacker to retrieve debug-level information from the component such as internal network topology or connected systems."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-284: Improper Access Control"
                }
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            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-185638.pdf",
              "refsource": "MISC",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-185638.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2021-46304",
    "datePublished": "2022-08-10T11:17:23.000Z",
    "dateReserved": "2022-01-14T00:00:00.000Z",
    "dateUpdated": "2025-10-20T18:00:06.685Z",
    "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.

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CNVD-2022-56478

CVE-2021-46304 (GCVE-0-2021-46304)

Tags

Sightings

Nomenclature

Related by attack behaviour