cnvd - cnvd-2021-95485

cnvd-2021-95485

Vulnerability from cnvd

Title: elecom lan routers访问控制错误漏洞

Description:

elecom lan routers是日本Elecom的一款路由器。

elecom lan routers存在访问控制错误漏洞，攻击者可利用该漏洞绕过访问限制并通过未指定的向量访问产品的管理屏幕。

Severity: 中

Patch Name: elecom lan routers访问控制错误漏洞的补丁

Patch Description:

elecom lan routers是日本Elecom的一款路由器。

elecom lan routers存在访问控制错误漏洞，攻击者可利用该漏洞绕过访问限制并通过未指定的向量访问产品的管理屏幕。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： http://www.elecom.co.jp/news/security/20211130-01/

Reference: https://www.cybersecurity-help.cz/vdb/SB2021113005

Impacted products

Name
['Elecom lan routers <=WRC-1167GST2 firmware v1.25', 'Elecom lan routers <=WRC-1167GST2A firmware v1.25', 'Elecom lan routers <=WRC-1167GST2H firmware v1.25', 'Elecom lan routers <=WRC-2533GS2-B firmware v1.52', 'Elecom lan routers <=WRC-2533GS2-W firmware v1.52', 'Elecom lan routers <=WRC-1750GS firmware v1.03', 'Elecom lan routers <=WRC-1750GSV firmware v2.11', 'Elecom lan routers <=WRC-1900GST firmware v1.03', 'Elecom lan routers <=WRC-2533GST firmware v1.03', 'Elecom lan routers <=WRC-2533GSTA firmware v1.03', 'Elecom lan routers <=WRC-2533GST2 firmware v1.25', 'Elecom lan routers <=WRC-2533GST2SP firmware v1.25', 'Elecom lan routers <=WRC-2533GST2-G firmware v1.25', 'Elecom lan routers <=EDWRC-2533GST2 firmware v1.25']

Name

['Elecom lan routers <=WRC-1167GST2 firmware v1.25', 'Elecom lan routers <=WRC-1167GST2A firmware v1.25', 'Elecom lan routers <=WRC-1167GST2H firmware v1.25', 'Elecom lan routers <=WRC-2533GS2-B firmware v1.52', 'Elecom lan routers <=WRC-2533GS2-W firmware v1.52', 'Elecom lan routers <=WRC-1750GS firmware v1.03', 'Elecom lan routers <=WRC-1750GSV firmware v2.11', 'Elecom lan routers <=WRC-1900GST firmware v1.03', 'Elecom lan routers <=WRC-2533GST firmware v1.03', 'Elecom lan routers <=WRC-2533GSTA firmware v1.03', 'Elecom lan routers <=WRC-2533GST2 firmware v1.25', 'Elecom lan routers <=WRC-2533GST2SP firmware v1.25', 'Elecom lan routers <=WRC-2533GST2-G firmware v1.25', 'Elecom lan routers <=EDWRC-2533GST2 firmware v1.25']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20861",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20861"
    }
  },
  "description": "elecom lan routers\u662f\u65e5\u672cElecom\u7684\u4e00\u6b3e\u8def\u7531\u5668\u3002\n\nelecom lan routers\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u8bbf\u95ee\u9650\u5236\u5e76\u901a\u8fc7\u672a\u6307\u5b9a\u7684\u5411\u91cf\u8bbf\u95ee\u4ea7\u54c1\u7684\u7ba1\u7406\u5c4f\u5e55\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://www.elecom.co.jp/news/security/20211130-01/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-95485",
  "openTime": "2021-12-09",
  "patchDescription": "elecom lan routers\u662f\u65e5\u672cElecom\u7684\u4e00\u6b3e\u8def\u7531\u5668\u3002\r\n\r\nelecom lan routers\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u8bbf\u95ee\u9650\u5236\u5e76\u901a\u8fc7\u672a\u6307\u5b9a\u7684\u5411\u91cf\u8bbf\u95ee\u4ea7\u54c1\u7684\u7ba1\u7406\u5c4f\u5e55\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": "elecom lan routers\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Elecom lan routers \u003c=WRC-1167GST2 firmware v1.25",
      "Elecom lan routers \u003c=WRC-1167GST2A firmware v1.25",
      "Elecom lan routers \u003c=WRC-1167GST2H firmware v1.25",
      "Elecom lan routers \u003c=WRC-2533GS2-B firmware v1.52",
      "Elecom lan routers \u003c=WRC-2533GS2-W firmware v1.52",
      "Elecom lan routers \u003c=WRC-1750GS firmware v1.03",
      "Elecom lan routers \u003c=WRC-1750GSV firmware v2.11",
      "Elecom lan routers \u003c=WRC-1900GST firmware v1.03",
      "Elecom lan routers \u003c=WRC-2533GST firmware v1.03",
      "Elecom lan routers \u003c=WRC-2533GSTA firmware v1.03",
      "Elecom lan routers \u003c=WRC-2533GST2 firmware v1.25",
      "Elecom lan routers \u003c=WRC-2533GST2SP firmware v1.25",
      "Elecom lan routers \u003c=WRC-2533GST2-G firmware v1.25",
      "Elecom lan routers \u003c=EDWRC-2533GST2 firmware v1.25"
    ]
  },
  "referenceLink": "https://www.cybersecurity-help.cz/vdb/SB2021113005",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-01",
  "title": "elecom lan routers\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-20861 (GCVE-0-2021-20861)

Vulnerability from cvelistv5

Published

2021-12-01 02:15

Modified

2024-08-03 17:53

Severity ?

CWE

Improper Access Control

Summary

Improper access control vulnerability in ELECOM LAN routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a network-adjacent authenticated attacker to bypass access restriction and to access the management screen of the product via unspecified vectors.

References

▼	URL	Tags
	https://www.elecom.co.jp/news/security/20211130-01/	x_refsource_MISC
	https://jvn.jp/en/jp/JVN88993473/index.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	ELECOM CO.,LTD.	ELECOM LAN routers	Version: WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:53:23.040Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.elecom.co.jp/news/security/20211130-01/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN88993473/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "ELECOM LAN routers",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper access control vulnerability in ELECOM LAN routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a network-adjacent authenticated attacker to bypass access restriction and to access the management screen of the product via unspecified vectors."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Access Control",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-01T02:15:55",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.elecom.co.jp/news/security/20211130-01/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jvn.jp/en/jp/JVN88993473/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vultures@jpcert.or.jp",
          "ID": "CVE-2021-20861",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "ELECOM LAN routers",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "ELECOM CO.,LTD."
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Improper access control vulnerability in ELECOM LAN routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a network-adjacent authenticated attacker to bypass access restriction and to access the management screen of the product via unspecified vectors."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Improper Access Control"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.elecom.co.jp/news/security/20211130-01/",
              "refsource": "MISC",
              "url": "https://www.elecom.co.jp/news/security/20211130-01/"
            },
            {
              "name": "https://jvn.jp/en/jp/JVN88993473/index.html",
              "refsource": "MISC",
              "url": "https://jvn.jp/en/jp/JVN88993473/index.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2021-20861",
    "datePublished": "2021-12-01T02:15:55",
    "dateReserved": "2020-12-17T00:00:00",
    "dateUpdated": "2024-08-03T17:53:23.040Z",
    "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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