GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2021-20636 (GCVE-0-2021-20636)

Vulnerability from cvelistv5 – Published: 2021-02-12 06:15 – Updated: 2024-08-03 17:45
VLAI
Summary
Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/PR5B allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended operations to the device such as changes of the device settings may be conducted.
CWE
  • Cross-site request forgery
References
Impacted products
Vendor Product Version CPE status
LOGITEC CORPORATION LAN-W300N/PR5B Affected: LAN-W300N/PR5B
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:45:44.951Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.elecom.co.jp/news/security/20210126-01/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN96783542/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "LAN-W300N/PR5B",
          "vendor": "LOGITEC CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "LAN-W300N/PR5B"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/PR5B allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended operations to the device such as changes of the device settings may be conducted."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Cross-site request forgery",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-02-12T06:15:41.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.elecom.co.jp/news/security/20210126-01/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jvn.jp/en/jp/JVN96783542/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vultures@jpcert.or.jp",
          "ID": "CVE-2021-20636",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "LAN-W300N/PR5B",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "LAN-W300N/PR5B"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "LOGITEC CORPORATION"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/PR5B allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended operations to the device such as changes of the device settings may be conducted."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Cross-site request forgery"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.elecom.co.jp/news/security/20210126-01/",
              "refsource": "MISC",
              "url": "https://www.elecom.co.jp/news/security/20210126-01/"
            },
            {
              "name": "https://jvn.jp/en/jp/JVN96783542/index.html",
              "refsource": "MISC",
              "url": "https://jvn.jp/en/jp/JVN96783542/index.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2021-20636",
    "datePublished": "2021-02-12T06:15:41.000Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:45:44.951Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-20636",
      "date": "2026-09-15",
      "epss": "0.00515",
      "percentile": "0.42421"
    },
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:logitech:lan-w300n\\\\/pr5b_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"8390BE37-91F5-4B1B-B121-BF6147A79836\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:logitech:lan-w300n\\\\/pr5b:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"4DC81E4C-AFD0-400D-9C51-D091D513A374\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/PR5B allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended operations to the device such as changes of the device settings may be conducted.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de tipo cross-site request forgery (CSRF) en LOGITEC LAN-W300N/PR5B, permite a atacantes remotos secuestrar la autenticaci\\u00f3n de los administradores por medio de una URL especialmente dise\\u00f1ada.\u0026#xa0;Como resultado, se pueden realizar operaciones no deseadas en el dispositivo, como cambios en la configuraci\\u00f3n del dispositivo\"}]",
      "id": "CVE-2021-20636",
      "lastModified": "2024-11-21T05:46:55.197",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:N/I:P/A:N\", \"baseScore\": 4.3, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}",
      "published": "2021-02-12T07:15:14.543",
      "references": "[{\"url\": \"https://jvn.jp/en/jp/JVN96783542/index.html\", \"source\": \"vultures@jpcert.or.jp\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.elecom.co.jp/news/security/20210126-01/\", \"source\": \"vultures@jpcert.or.jp\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://jvn.jp/en/jp/JVN96783542/index.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.elecom.co.jp/news/security/20210126-01/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "vultures@jpcert.or.jp",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-352\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-20636\",\"sourceIdentifier\":\"vultures@jpcert.or.jp\",\"published\":\"2021-02-12T07:15:14.543\",\"lastModified\":\"2024-11-21T05:46:55.197\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/PR5B allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended operations to the device such as changes of the device settings may be conducted.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de tipo cross-site request forgery (CSRF) en LOGITEC LAN-W300N/PR5B, permite a atacantes remotos secuestrar la autenticaci\u00f3n de los administradores por medio de una URL especialmente dise\u00f1ada.\u0026#xa0;Como resultado, se pueden realizar operaciones no deseadas en el dispositivo, como cambios en la configuraci\u00f3n del dispositivo\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:P/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-352\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:logitech:lan-w300n\\\\/pr5b_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8390BE37-91F5-4B1B-B121-BF6147A79836\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:logitech:lan-w300n\\\\/pr5b:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DC81E4C-AFD0-400D-9C51-D091D513A374\"}]}]}],\"references\":[{\"url\":\"https://jvn.jp/en/jp/JVN96783542/index.html\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.elecom.co.jp/news/security/20210126-01/\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://jvn.jp/en/jp/JVN96783542/index.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.elecom.co.jp/news/security/20210126-01/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T15:01:13+00:00",
      "cve": "CVE-2021-20636",
      "id": "CVE-2021-20636",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-20636",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-20636.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…