CVE-2021-21123
Vulnerability from cvelistv5
Published
2021-02-09 13:55
Modified
2024-08-03 18:01
Severity ?
Summary
Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.
References
chrome-cve-admin@google.comhttps://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
chrome-cve-admin@google.comhttps://crbug.com/1137247Permissions Required, Third Party Advisory
chrome-cve-admin@google.comhttps://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://crbug.com/1137247Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:01:13.980Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://crbug.com/1137247"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "88.0.4324.96",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Insufficient data validation",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-02-24T19:51:06",
        "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "shortName": "Chrome"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://crbug.com/1137247"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "chrome-cve-admin@google.com",
          "ID": "CVE-2021-21123",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Chrome",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "88.0.4324.96"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Google"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Insufficient data validation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html",
              "refsource": "MISC",
              "url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"
            },
            {
              "name": "https://crbug.com/1137247",
              "refsource": "MISC",
              "url": "https://crbug.com/1137247"
            },
            {
              "name": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123",
              "refsource": "MISC",
              "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2021-21123",
    "datePublished": "2021-02-09T13:55:59",
    "dateReserved": "2020-12-21T00:00:00",
    "dateUpdated": "2024-08-03T18:01:13.980Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-21123\",\"sourceIdentifier\":\"chrome-cve-admin@google.com\",\"published\":\"2021-02-09T14:15:15.843\",\"lastModified\":\"2024-11-21T05:47:36.780\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Insufficient data validation in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.\"},{\"lang\":\"es\",\"value\":\"Una comprobaci\u00f3n insuficiente de datos en File System API en Google Chrome versiones anteriores a 88.0.4324.96, permiti\u00f3 a un atacante remoto omitir las restricciones del sistema de archivos por medio de una p\u00e1gina HTML dise\u00f1ada\"}],\"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-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"88.0.4324.96\",\"matchCriteriaId\":\"565ED6B8-8F41-4E79-A280-33CB321E607F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"88.0.705.50\",\"matchCriteriaId\":\"F4045760-DF4A-4728-9B52-0280FC45C05D\"}]}]}],\"references\":[{\"url\":\"https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html\",\"source\":\"chrome-cve-admin@google.com\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://crbug.com/1137247\",\"source\":\"chrome-cve-admin@google.com\",\"tags\":[\"Permissions Required\",\"Third Party Advisory\"]},{\"url\":\"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123\",\"source\":\"chrome-cve-admin@google.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://crbug.com/1137247\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Permissions Required\",\"Third Party Advisory\"]},{\"url\":\"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21123\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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 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.