Vulnerability-Lookup

CNVD-2021-94831

Vulnerability from cnvd - Published: 2021-12-07

Title

D-Link DCS-5000L和DCS-932L授权问题漏洞

Description

D-link Dcs-5000L是一个Ip网路监控摄影机。D-link Dcs-932L是一个网络监控摄像头。 D-Link DCS-5000L和DCS-932L存在安全漏洞，该漏洞源于网络系统或产品中缺乏有效的信任管理机制。攻击者可利用该漏洞破坏摄像机配置并访问设备。

Severity

中

Patch Name

D-Link DCS-5000L和DCS-932L授权问题漏洞的补丁

Patch Description

D-link Dcs-5000L是一个Ip网路监控摄影机。D-link Dcs-932L是一个网络监控摄像头。 D-Link DCS-5000L和DCS-932L存在安全漏洞，该漏洞源于网络系统或产品中缺乏有效的信任管理机制。攻击者可利用该漏洞破坏摄像机配置并访问设备。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://www.dlink.com/en/security-bulletin/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-41503

Impacted products

Name
['D-Link DCS-5000L 1.05', 'D-Link DCS-932L <= 2.17']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-41503",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-41503"
    }
  },
  "description": "D-link Dcs-5000L\u662f\u4e00\u4e2aIp\u7f51\u8def\u76d1\u63a7\u6444\u5f71\u673a\u3002D-link Dcs-932L\u662f\u4e00\u4e2a\u7f51\u7edc\u76d1\u63a7\u6444\u50cf\u5934\u3002\n\nD-Link DCS-5000L\u548cDCS-932L\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u4e2d\u7f3a\u4e4f\u6709\u6548\u7684\u4fe1\u4efb\u7ba1\u7406\u673a\u5236\u3002 \u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7834\u574f\u6444\u50cf\u673a\u914d\u7f6e\u5e76\u8bbf\u95ee\u8bbe\u5907\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://www.dlink.com/en/security-bulletin/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-94831",
  "openTime": "2021-12-07",
  "patchDescription": "D-link Dcs-5000L\u662f\u4e00\u4e2aIp\u7f51\u8def\u76d1\u63a7\u6444\u5f71\u673a\u3002D-link Dcs-932L\u662f\u4e00\u4e2a\u7f51\u7edc\u76d1\u63a7\u6444\u50cf\u5934\u3002\r\n\r\nD-Link DCS-5000L\u548cDCS-932L\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u4e2d\u7f3a\u4e4f\u6709\u6548\u7684\u4fe1\u4efb\u7ba1\u7406\u673a\u5236\u3002 \u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7834\u574f\u6444\u50cf\u673a\u914d\u7f6e\u5e76\u8bbf\u95ee\u8bbe\u5907\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": "D-Link DCS-5000L\u548cDCS-932L\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "D-Link DCS-5000L 1.05",
      "D-Link DCS-932L \u003c= 2.17"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-41503",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-26",
  "title": "D-Link DCS-5000L\u548cDCS-932L\u6388\u6743\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2021-41503 (GCVE-0-2021-41503)

Vulnerability from cvelistv5 – Published: 2021-09-24 19:26 – Updated: 2024-08-04 03:15 Unsupported When Assigned

Summary

DCS-5000L v1.05 and DCS-932L v2.17 and older are affecged by Incorrect Acess Control. The use of the basic authentication for the devices command interface allows attack vectors that may compromise the cameras configuration and allow malicious users on the LAN to access the device. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Severity

8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-19 17:43 UTC

CWE

n/a
CWE-287 - Improper Authentication

Assigner

mitre mitre root

References

2 references

URL	Tags
https://www.dlink.com/en/security-bulletin/	x_refsource_MISC
https://supportannouncement.us.dlink.com/announce…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
d-link	dcs-5000l_firmware	Affected: 1.05 cpe:2.3:o:d-link:dcs-5000l_firmware::::::::
d-link	dcs-932l_firmware	Affected: 0 , ≤ 2.17 (custom) cpe:2.3:o:d-link:dcs-932l_firmware::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:d-link:dcs-5000l_firmware:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "dcs-5000l_firmware",
            "vendor": "d-link",
            "versions": [
              {
                "status": "affected",
                "version": "1.05"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:d-link:dcs-932l_firmware:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "dcs-932l_firmware",
            "vendor": "d-link",
            "versions": [
              {
                "lessThanOrEqual": "2.17",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-41503",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-19T17:43:56.690922Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-287",
                "description": "CWE-287 Improper Authentication",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-19T17:47:54.519Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:15:28.538Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.dlink.com/en/security-bulletin/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10247"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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      "descriptions": [
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          "lang": "en",
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        }
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      "problemTypes": [
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          "descriptions": [
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      "providerMetadata": {
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      },
      "references": [
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          "tags": [
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          ],
          "url": "https://www.dlink.com/en/security-bulletin/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10247"
        }
      ],
      "tags": [
        "unsupported-when-assigned"
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-41503",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
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                          {
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              "value": "** UNSUPPORTED WHEN ASSIGNED ** DCS-5000L v1.05 and DCS-932L v2.17 and older are affecged by Incorrect Acess Control. The use of the basic authentication for the devices command interface allows attack vectors that may compromise the cameras configuration and allow malicious users on the LAN to access the device. NOTE: This vulnerability only affects products that are no longer supported by the maintainer."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
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                  "value": "n/a"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.dlink.com/en/security-bulletin/",
              "refsource": "MISC",
              "url": "https://www.dlink.com/en/security-bulletin/"
            },
            {
              "name": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10247",
              "refsource": "MISC",
              "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10247"
            }
          ]
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-41503",
    "datePublished": "2021-09-24T19:26:55.000Z",
    "dateReserved": "2021-09-20T00:00:00.000Z",
    "dateUpdated": "2024-08-04T03:15:28.538Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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}

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.