{"schema_version":"1.7.5","id":"CVE-2021-23982","published":"2021-03-31T14:15:19Z","modified":"2026-04-16T04:31:30.355242001Z","related":["SUSE-SU-2021:0966-1","SUSE-SU-2021:0999-1","SUSE-SU-2021:1007-1","SUSE-SU-2021:1167-1","SUSE-SU-2021:14684-1","openSUSE-SU-2021:0487-1","openSUSE-SU-2021:0580-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:10601-1","openSUSE-SU-2024:14572-1"],"details":"Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.","affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23982.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"87.0"}]},{"events":[{"introduced":"0"},{"fixed":"78.9"}]},{"events":[{"introduced":"0"},{"fixed":"78.9"}]}]}}],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-10/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-11/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-12/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1677046"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"}]}