nvd-json-data-feeds/CVE-2021/CVE-2021-208xx/CVE-2021-20861.json

{
  "id": "CVE-2021-20861",
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "published": "2021-12-01T03:15:07.130",
  "lastModified": "2022-06-28T14:11:45.273",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "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."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de control de acceso inapropiado en los routers LAN de ELECOM (firmware WRC-1167GST2 versiones v1.25 y anteriores, firmware WRC-1167GST2A versiones v1.25 y anteriores, firmware WRC-1167GST2H versiones v1.25 y anteriores, firmware WRC-2533GS2-B versiones v1. 52 y anteriores, firmware WRC-2533GS2-W versiones v1.52 y anteriores, firmware WRC-1750GS versiones v1.03 y anteriores, firmware WRC-1750GSV versiones v2.11 y anteriores, firmware WRC-1900GST versiones v1.03 y anteriores, firmware WRC-2533GST versiones v1.03 y anteriores, firmware WRC-2533GSTA versiones v1.03 y anteriores, firmware WRC-2533GST2 versiones v1.25 y anteriores, firmware WRC-2533GST2SP versiones v1.25 y anteriores, firmware WRC-2533GST2-G versiones v1.25 y anteriores, y firmware EDWRC-2533GST2 versiones v1.25 y anteriores) permite a un atacante autenticado adyacente a la red omitir la restricci\u00f3n de acceso y acceder a la pantalla de administraci\u00f3n del producto por medio de vectores no especificados"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "ADJACENT_NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 6.5,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-1167gst2_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.25",
              "matchCriteriaId": "D3AA3E1E-07AE-4152-A492-C3399A944BF7"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-1167gst2:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F9045F74-985E-4C3C-AC10-14FD9B61A746"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-1167gst2a_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.25",
              "matchCriteriaId": "AC52913C-AD35-469D-8F67-0CBD929E7CC5"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-1167gst2a:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A33E8405-7457-4867-A4A5-360E173F69C3"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-1167gst2h_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.25",
              "matchCriteriaId": "9E89A906-6747-4375-9027-598803400260"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-1167gst2h:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "56272E8D-141C-4BBC-9950-BD673DE78DF7"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-2533gs2-b_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.52",
              "matchCriteriaId": "838C19DE-7992-40DB-996B-9F3F2C0A6B5B"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-2533gs2-b:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "D9FF3CB7-7F2E-472A-A2A3-ED599F4FC99C"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-2533gs2-w_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.52",
              "matchCriteriaId": "CBD1BE1F-5197-4EFD-B34F-D39D97E07900"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-2533gs2-w:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "ECD9F0FE-1232-4C39-AA86-2D616E4D39C6"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-1750gs_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.03",
              "matchCriteriaId": "0B90ED83-CB98-452B-A34C-F86256F2C1FF"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-1750gs:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "5F0C77E9-CD6E-498E-954B-A930EDB56CEB"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-1750gsv_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "2.11",
              "matchCriteriaId": "8A65A768-A630-4804-9746-FCBBF17EEC63"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-1750gsv:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "B805C94F-F3EA-4DF2-9BD0-82F5A3CC1AA3"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-1900gst_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.03",
              "matchCriteriaId": "8A570270-DF00-4D05-8E38-09F465E4B4CA"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-1900gst:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "C37FA743-9A1C-4817-9002-5B4A0D55EB30"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-2533gst_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.03",
              "matchCriteriaId": "20A7CDAF-5B21-4D45-AEE7-F23374ABE11D"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-2533gst:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "061E2CC5-C26D-4A99-B7B6-7AA16EA61FE0"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-2533gst2_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.25",
              "matchCriteriaId": "5BFCF93B-086E-4566-B80C-2698526059ED"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-2533gst2:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "85BF0A23-43C9-4497-BDDF-9366642503ED"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-2533gsta_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.03",
              "matchCriteriaId": "C6BA52A2-79CF-4111-ADD9-F567CD7B6982"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-2533gsta:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "8A7E273D-FE44-4028-8A24-2E2F5346A8E8"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-2533gst2sp_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.25",
              "matchCriteriaId": "78429AAB-582E-4E65-886F-3154B76B6F26"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-2533gst2sp:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "87DCC539-2464-401D-BEDD-21D8F89D52E3"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:wrc-2533gst2-g_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.25",
              "matchCriteriaId": "DF24D0CA-259A-48A3-A0C0-BBDA737BCEF8"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:wrc-2533gst2-g:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "52CFBBB2-A29E-49EC-9FF6-265C92C01D88"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:elecom:edwrc-2533gst2_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.25",
              "matchCriteriaId": "D1D5B7C7-E77F-43C5-AD15-EA9F9DA384A1"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:elecom:edwrc-2533gst2:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "92158669-E6B4-4079-84F8-F86B7F288E24"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN88993473/index.html",
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.elecom.co.jp/news/security/20211130-01/",
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}