CVE-2020-26955

{"containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"status": "affected", "version": "< 83"}]}], "descriptions": [{"lang": "en", "value": "When a user downloaded a file in Firefox for Android, if a cookie is set, it would have been re-sent during a subsequent file download operation on the same domain, regardless of whether the original and subsequent request were in private and non-private browsing modes. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83."}], "problemTypes": [{"descriptions": [{"description": "Cookies set during file downloads are shared between normal and Private Browsing Mode in Firefox for Android", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-12-09T00:21:13.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663261"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-50/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2020-26955", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Firefox", "version": {"version_data": [{"version_value": "< 83"}]}}]}, "vendor_name": "Mozilla"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "When a user downloaded a file in Firefox for Android, if a cookie is set, it would have been re-sent during a subsequent file download operation on the same domain, regardless of whether the original and subsequent request were in private and non-private browsing modes. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Cookies set during file downloads are shared between normal and Private Browsing Mode in Firefox for Android"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663261", "refsource": "MISC", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663261"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2020-50/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2020-50/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T16:03:23.169Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663261"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-50/"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2020-26955", "datePublished": "2020-12-09T00:21:13.000Z", "dateReserved": "2020-10-12T00:00:00.000Z", "dateUpdated": "2024-08-04T16:03:23.169Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"status": "affected", "version": "< 83"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*", "matchCriteriaId": "65DF9C53-367B-40DF-8071-BAA930BD88C7", "versionEndExcluding": "83.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "When a user downloaded a file in Firefox for Android, if a cookie is set, it would have been re-sent during a subsequent file download operation on the same domain, regardless of whether the original and subsequent request were in private and non-private browsing modes. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83."}, {"lang": "es", "value": "Cuando un usuario descargaba un archivo en Firefox para Android, si una cookie es ajustada, \u00e9sta habr\u00eda sido reenviada durante una operaci\u00f3n posterior de descarga de archivos en el mismo dominio, independientemente de si la petici\u00f3n original y posterior se encontraban en modos de navegaci\u00f3n privados y no privados. *Nota: Este problema s\u00f3lo afectaba a Firefox para Android. Los dem\u00e1s sistemas operativos no est\u00e1n afectados.*. Esta vulnerabilidad afecta a Firefox versiones anteriores a 83"}], "id": "CVE-2020-26955", "lastModified": "2026-08-19T15:29:21.807", "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": "2020-12-09T01:15:12.893", "references": [{"source": "security@mozilla.org", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663261"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-50/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663261"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-50/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-565"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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