CVE-2021-34977 (GCVE-0-2021-34977)

Vulnerability from cvelistv5 – Published: 2022-01-13 21:44 – Updated: 2024-08-04 00:26
VLAI?
Summary
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7000 1.0.11.116_10.2.100 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP requests. The issue results from the lack of proper authentication verification before performing a password reset. An attacker can leverage this vulnerability to reset the admin password. Was ZDI-CAN-13483.
Severity ?
8.8 (High)
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
zdi
References
Impacted products
Vendor Product Version
NETGEAR R7000 Affected: 1.0.11.116_10.2.100
Create a notification for this product.
Credits
Xinan Zhou (the University of California, Riverside and Fudan University)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:26:55.730Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1239/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "R7000",
          "vendor": "NETGEAR",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.11.116_10.2.100"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Xinan Zhou (the University of California, Riverside and Fudan University)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7000 1.0.11.116_10.2.100 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP requests. The issue results from the lack of proper authentication verification before performing a password reset. An attacker can leverage this vulnerability to reset the admin password. Was ZDI-CAN-13483."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-288",
              "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-13T21:44:31",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1239/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "zdi-disclosures@trendmicro.com",
          "ID": "CVE-2021-34977",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "R7000",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "1.0.11.116_10.2.100"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "NETGEAR"
              }
            ]
          }
        },
        "credit": "Xinan Zhou (the University of California, Riverside and Fudan University)",
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7000 1.0.11.116_10.2.100 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP requests. The issue results from the lack of proper authentication verification before performing a password reset. An attacker can leverage this vulnerability to reset the admin password. Was ZDI-CAN-13483."
            }
          ]
        },
        "impact": {
          "cvss": {
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-288: Authentication Bypass Using an Alternate Path or Channel"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-1239/",
              "refsource": "MISC",
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1239/"
            },
            {
              "name": "https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134",
              "refsource": "MISC",
              "url": "https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2021-34977",
    "datePublished": "2022-01-13T21:44:31",
    "dateReserved": "2021-06-17T00:00:00",
    "dateUpdated": "2024-08-04T00:26:55.730Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:netgear:r7000_firmware:1.0.11.116_10.2.100:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"9D3C36D7-1AB4-4F5B-AC0D-ABDDC4642224\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"C9F86FF6-AB32-4E51-856A-DDE790C0A9A6\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7000 1.0.11.116_10.2.100 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP requests. The issue results from the lack of proper authentication verification before performing a password reset. An attacker can leverage this vulnerability to reset the admin password. Was ZDI-CAN-13483.\"}, {\"lang\": \"es\", \"value\": \"Esta vulnerabilidad permite a atacantes adyacentes a la red omitir la autenticaci\\u00f3n en las instalaciones afectadas de los routers NETGEAR R7000 versi\\u00f3n 1.0.11.116_10.2.100. No es requerida una autenticaci\\u00f3n  para explotar esta vulnerabilidad. El fallo espec\\u00edfico se presenta en el procesamiento de peticiones SOAP. El problema es debido a una falta de verificaci\\u00f3n de autenticaci\\u00f3n apropiada antes de llevar a cabo un restablecimiento de la contrase\\u00f1a. Un atacante puede aprovechar esta vulnerabilidad para restablecer la contrase\\u00f1a de administrador. Fue ZDI-CAN-13483\"}]",
      "id": "CVE-2021-34977",
      "lastModified": "2024-11-21T06:11:37.667",
      "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\", \"baseScore\": 8.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"ADJACENT_NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 5.9}], \"cvssMetricV30\": [{\"source\": \"zdi-disclosures@trendmicro.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 8.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"ADJACENT_NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"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\", \"baseScore\": 5.8, \"accessVector\": \"ADJACENT_NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 6.5, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2022-01-13T22:15:12.610",
      "references": "[{\"url\": \"https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134\", \"source\": \"zdi-disclosures@trendmicro.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-21-1239/\", \"source\": \"zdi-disclosures@trendmicro.com\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-21-1239/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}]",
      "sourceIdentifier": "zdi-disclosures@trendmicro.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"zdi-disclosures@trendmicro.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-288\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-287\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-34977\",\"sourceIdentifier\":\"zdi-disclosures@trendmicro.com\",\"published\":\"2022-01-13T22:15:12.610\",\"lastModified\":\"2024-11-21T06:11:37.667\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7000 1.0.11.116_10.2.100 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP requests. The issue results from the lack of proper authentication verification before performing a password reset. An attacker can leverage this vulnerability to reset the admin password. Was ZDI-CAN-13483.\"},{\"lang\":\"es\",\"value\":\"Esta vulnerabilidad permite a atacantes adyacentes a la red omitir la autenticaci\u00f3n en las instalaciones afectadas de los routers NETGEAR R7000 versi\u00f3n 1.0.11.116_10.2.100. No es requerida una autenticaci\u00f3n  para explotar esta vulnerabilidad. El fallo espec\u00edfico se presenta en el procesamiento de peticiones SOAP. El problema es debido a una falta de verificaci\u00f3n de autenticaci\u00f3n apropiada antes de llevar a cabo un restablecimiento de la contrase\u00f1a. Un atacante puede aprovechar esta vulnerabilidad para restablecer la contrase\u00f1a de administrador. Fue ZDI-CAN-13483\"}],\"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\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV30\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"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\",\"baseScore\":5.8,\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":6.5,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-288\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:netgear:r7000_firmware:1.0.11.116_10.2.100:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9D3C36D7-1AB4-4F5B-AC0D-ABDDC4642224\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C9F86FF6-AB32-4E51-856A-DDE790C0A9A6\"}]}]}],\"references\":[{\"url\":\"https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134\",\"source\":\"zdi-disclosures@trendmicro.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-21-1239/\",\"source\":\"zdi-disclosures@trendmicro.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://kb.netgear.com/000064046/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0134\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-21-1239/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.