Vulnerability-Lookup

CNVD-2021-67520

Vulnerability from cnvd - Published: 2021-09-02

Title

D-Link DVG-3104MS默认帐户漏洞

Description

D-Link DVG-3104MS是中国台湾友讯（D-Link）公司的一个网关。 D-Link DVG-3104MS存在安全漏洞，该漏洞源于D-Link DVG-3104MS 版本 1.0.2.0.3、1.0.2.0.4 和 1.0.2.0.4E 包含“/etc/passwd”文件中未记录用户帐户的硬编码凭据。攻击者可利用该漏洞从散列值中恢复明文密码。

Severity

中

Patch Name

D-Link DVG-3104MS默认帐户漏洞的补丁

Patch Description

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://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10237

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-39613

Impacted products

Name
['D-Link DVG-3104MS 1.0.2.0.3', 'D-Link DVG-3104MS 1.0.2.0.4', 'D-Link DVG-3104MS 1.0.2.0.4E']

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-39613"
    }
  },
  "description": "D-Link DVG-3104MS\u662f\u4e2d\u56fd\u53f0\u6e7e\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7f51\u5173\u3002\n\nD-Link DVG-3104MS\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eD-Link DVG-3104MS \u7248\u672c 1.0.2.0.3\u30011.0.2.0.4 \u548c 1.0.2.0.4E \u5305\u542b\u201c/etc/passwd\u201d\u6587\u4ef6\u4e2d\u672a\u8bb0\u5f55\u7528\u6237\u5e10\u6237\u7684\u786c\u7f16\u7801\u51ed\u636e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ece\u6563\u5217\u503c\u4e2d\u6062\u590d\u660e\u6587\u5bc6\u7801\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://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10237",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-67520",
  "openTime": "2021-09-02",
  "patchDescription": "D-Link DVG-3104MS\u662f\u4e2d\u56fd\u53f0\u6e7e\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7f51\u5173\u3002\r\n\r\nD-Link DVG-3104MS\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eD-Link DVG-3104MS \u7248\u672c 1.0.2.0.3\u30011.0.2.0.4 \u548c 1.0.2.0.4E \u5305\u542b\u201c/etc/passwd\u201d\u6587\u4ef6\u4e2d\u672a\u8bb0\u5f55\u7528\u6237\u5e10\u6237\u7684\u786c\u7f16\u7801\u51ed\u636e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ece\u6563\u5217\u503c\u4e2d\u6062\u590d\u660e\u6587\u5bc6\u7801\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 DVG-3104MS\u9ed8\u8ba4\u5e10\u6237\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "D-Link DVG-3104MS 1.0.2.0.3",
      "D-Link DVG-3104MS 1.0.2.0.4",
      "D-Link DVG-3104MS 1.0.2.0.4E"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-39613",
  "serverity": "\u4e2d",
  "submitTime": "2021-08-25",
  "title": "D-Link DVG-3104MS\u9ed8\u8ba4\u5e10\u6237\u6f0f\u6d1e"
}

CVE-2021-39613 (GCVE-0-2021-39613)

Vulnerability from cvelistv5 – Published: 2021-08-23 21:20 – Updated: 2024-08-04 02:13 Unsupported When Assigned

Summary

D-Link DVG-3104MS version 1.0.2.0.3, 1.0.2.0.4, and 1.0.2.0.4E contains hard-coded credentials for undocumented user accounts in the '/etc/passwd' file. As weak passwords have been used, the plaintext passwords can be recovered from the hash values. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/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 2024-07-30 16:04 UTC

CWE

n/a
CWE-798 - Use of Hard-coded Credentials

Assigner

mitre mitre root

References

3 references

URL	Tags
https://www.dlink.com/en/security-bulletin/	x_refsource_MISC
https://supportannouncement.us.dlink.com/announce…	x_refsource_MISC
https://www.nussko.com/advisories/advisory-2021-0…	x_refsource_MISC

Impacted products

3 products

Vendor	Product	Version
dlink	dvg-3104ms_firmware	Affected: 1.0.2.0.3 cpe:2.3:o:dlink:dvg-3104ms_firmware:1.0.2.0.3:::::::*
dlink	dvg-3104ms_firmware	Affected: 1.0.2.0.4 cpe:2.3:o:dlink:dvg-3104ms_firmware:1.0.2.0.4:::::::*
dlink	dvg-3104ms_firmware	Affected: 1.0.2.0.4e cpe:2.3:o:dlink:dvg-3104ms_firmware:1.0.2.0.4e:::::::*

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JSON

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{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:dlink:dvg-3104ms_firmware:1.0.2.0.3:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "dvg-3104ms_firmware",
            "vendor": "dlink",
            "versions": [
              {
                "status": "affected",
                "version": "1.0.2.0.3"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:dlink:dvg-3104ms_firmware:1.0.2.0.4:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "dvg-3104ms_firmware",
            "vendor": "dlink",
            "versions": [
              {
                "status": "affected",
                "version": "1.0.2.0.4"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:dlink:dvg-3104ms_firmware:1.0.2.0.4e:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "dvg-3104ms_firmware",
            "vendor": "dlink",
            "versions": [
              {
                "status": "affected",
                "version": "1.0.2.0.4e"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-39613",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-30T16:04:52.795103Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-798",
                "description": "CWE-798 Use of Hard-coded Credentials",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-30T16:06:31.688Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:13:37.643Z",
          "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"
            ],
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          },
          {
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            ],
            "url": "https://www.nussko.com/advisories/advisory-2021-08-01.txt"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "vendor": "n/a",
          "versions": [
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      ],
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        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
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              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-08-23T21:20:50.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "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=SAP10237"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.nussko.com/advisories/advisory-2021-08-01.txt"
        }
      ],
      "tags": [
        "unsupported-when-assigned"
      ],
      "x_ConverterErrors": {
        "cvssV3_1": {
          "error": "CVSSV3_1 data from v4 record is invalid",
          "message": "Missing mandatory metrics \"AV\""
        }
      },
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-39613",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
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                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "** UNSUPPORTED WHEN ASSIGNED ** D-Link DVG-3104MS version 1.0.2.0.3, 1.0.2.0.4, and 1.0.2.0.4E contains hard-coded credentials for undocumented user accounts in the \u0027/etc/passwd\u0027 file. As weak passwords have been used, the plaintext passwords can be recovered from the hash values. NOTE: This vulnerability only affects products that are no longer supported by the maintainer."
            }
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        "references": {
          "reference_data": [
            {
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              "refsource": "MISC",
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            },
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  "cveMetadata": {
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    "datePublished": "2021-08-23T21:20:50.000Z",
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    "dateUpdated": "2024-08-04T02:13:37.643Z",
    "state": "PUBLISHED"
  },
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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.

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.
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CNVD-2021-67520

CVE-2021-39613 (GCVE-0-2021-39613)

Tags

Sightings

Nomenclature

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