{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2020-6823", "ASSIGNER": "security@mozilla.org", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Mozilla", "product": { "product_data": [ { "product_name": "Firefox", "version": { "version_data": [ { "version_value": "75", "version_affected": "<" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Malicious Extension could obtain auth codes from OAuth login flows" } ] } ] }, "references": { "reference_data": [ { "url": "https://www.mozilla.org/security/advisories/mfsa2020-12/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2020-12/" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1614919", "refsource": "MISC", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1614919" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "A malicious extension could have called browser.identity.launchWebAuthFlow, controlling the redirect_uri, and through the Promise returned, obtain the Auth code and gain access to the user's account at the service provider. This vulnerability affects Firefox < 75." } ] } }