CVE-2021-21141 - Vulnerability Details - OpenCVE

Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass file extension policy via a crafted HTML page.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Google	Chrome
Microsoft	Edge

Configuration 1 [-]

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
https://crbug.com/1140435
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21141

History

No history.

MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2021-02-09T13:56:11

Updated: 2024-08-03T18:01:14.030Z

Reserved: 2020-12-21T00:00:00

Link: CVE-2021-21141

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-09T14:15:16.967

Modified: 2024-11-21T05:47:38.783

Link: CVE-2021-21141

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "88.0.4324.96", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass file extension policy via a crafted HTML page."}], "problemTypes": [{"descriptions": [{"description": "Insufficient policy enforcement", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-02-24T20:05:11", "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/1140435"}, {"tags": ["x_refsource_MISC"], "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21141"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "chrome-cve-admin@google.com", "ID": "CVE-2021-21141", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Chrome", "version": {"version_data": [{"version_affected": "<", "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 policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass file extension policy via a crafted HTML page."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Insufficient policy enforcement"}]}]}, "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/1140435", "refsource": "MISC", "url": "https://crbug.com/1140435"}, {"name": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21141", "refsource": "MISC", "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21141"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:01:14.030Z"}, "title": "CVE Program Container", "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/1140435"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21141"}]}]}, "cveMetadata": {"assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "assignerShortName": "Chrome", "cveId": "CVE-2021-21141", "datePublished": "2021-02-09T13:56:11", "dateReserved": "2020-12-21T00:00:00", "dateUpdated": "2024-08-03T18:01:14.030Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "matchCriteriaId": "565ED6B8-8F41-4E79-A280-33CB321E607F", "versionEndExcluding": "88.0.4324.96", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CB6598E-765C-44B8-B4B5-C52B45B87500", "versionEndExcluding": "88.0.705.74", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass file extension policy via a crafted HTML page."}, {"lang": "es", "value": "Una aplicaci\u00f3n insuficiente de la pol\u00edtica en File System API en Google Chrome versiones anteriores a 88.0.4324.96, permiti\u00f3 a un atacante remoto omitir la pol\u00edtica de extensi\u00f3n de archivos por medio de una p\u00e1gina HTML dise\u00f1ada"}], "id": "CVE-2021-21141", "lastModified": "2024-11-21T05:47:38.783", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-09T14:15:16.967", "references": [{"source": "chrome-cve-admin@google.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"}, {"source": "chrome-cve-admin@google.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://crbug.com/1140435"}, {"source": "chrome-cve-admin@google.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21141"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://crbug.com/1140435"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21141"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "nvd@nist.gov", "type": "Primary"}]}