{"cve":{"cve_id":"CVE-2020-12400","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00264,"epss_percentile":0.1761,"epss_as_of":"2026-06-23","description":"When converting coordinates from projective to affine, the modular inversion was not performed in constant time, resulting in a possible timing-based side channel attack. This vulnerability affects Firefox < 80 and Firefox for Android < 80.","published_at":"2020-10-08T00:00:00Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://www.mozilla.org/security/advisories/mfsa2020-39/","https://www.mozilla.org/security/advisories/mfsa2020-36/","https://bugzilla.mozilla.org/show_bug.cgi?id=1623116","https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:13:23.491019Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"mozilla","vendor_name":"Mozilla","product_slug":"firefox","product_name":"Firefox","version_start":"unspecified","version_start_inclusive":true,"version_end":"80","version_end_inclusive":false,"cpe23_uri":"cve5:mozilla:firefox:unspecified:80"},{"vendor_slug":"mozilla","vendor_name":"Mozilla","product_slug":"firefox-for-android","product_name":"Firefox for Android","version_start":"unspecified","version_start_inclusive":true,"version_end":"80","version_end_inclusive":false,"cpe23_uri":"cve5:mozilla:firefox-for-android:unspecified:80"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2020-39/","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2020-36/","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1623116","source_type":"MISC","tags":[]},{"url":"https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html","source_type":"MAILING_LIST","tags":["mailing-list"]}],"timeline":[{"type":"published","at":"2020-10-08T00:00:00Z","label":"CVE published","source":null}]}