{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2020-6830", "ASSIGNER": "security@mozilla.org", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Mozilla", "product": { "product_data": [ { "product_name": "Firefox for iOS", "version": { "version_data": [ { "version_value": "25", "version_affected": "<" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Native-to-JS bridging security token exploit" } ] } ] }, "references": { "reference_data": [ { "url": "https://www.mozilla.org/security/advisories/mfsa2020-15/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2020-15/" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632387", "refsource": "MISC", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632387" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "For native-to-JS bridging, the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token was being used for JS-to-native also, but it isn't needed in this case, and its usage was also leaking this token. This vulnerability affects Firefox for iOS < 25." } ] } }