CVE-2021-22917

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{"affected": [{"affectedData": [{"product": "https://github.com/brave/brave-core", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in 1.20"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:brave:browser:*:*:*:*:*:*:*:*", "matchCriteriaId": "8712FE35-C03C-4DAE-B1C3-34824A97EFCB", "versionEndExcluding": "1.20", "versionStartExcluding": "1.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by way of DNS requests in Tor windows not flowing through Tor if adblocking was enabled."}, {"lang": "es", "value": "Brave Browser Desktop entre las versiones 1.17 y 1.20, es vulnerable a una divulgaci\u00f3n de informaci\u00f3n por medio de peticiones DNS en ventanas Tor que no fluyen mediante Tor si el bloqueo de anuncios estaba activado"}], "id": "CVE-2021-22917", "lastModified": "2026-06-17T03:38:01.150", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/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": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-12T11:15:07.853", "references": [{"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://hackerone.com/reports/1077022"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://hackerone.com/reports/1077022"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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