{"id":"CVE-2020-15651","aliases":["EUVD-2020-7638","GHSA-5p65-3pv7-7gq2"],"status":"published","title":"A unicode RTL order character in the downloaded file name can be used to change the file's name...","description":"A unicode RTL order character in the downloaded file name can be used to change the file's name during the download UI flow to change the file extension. This vulnerability affects Firefox for iOS \u003c 28.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00582,"percentile":0.48075,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-08-10T17:43:24Z","modified":"2026-06-17T02:56:59Z","products":[{"vendor":"mozilla","product":"firefox"},{"vendor":"mozilla","product":"firefox for ios"}],"references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2020-34/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1649160","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15651"},{"url":"https://github.com/advisories/GHSA-5p65-3pv7-7gq2"}],"sources":{"cve":[{"id":"CVE-2020-15651","description":"A unicode RTL order character in the downloaded file name can be used to change the file's name during the download UI flow to change the file extension. This vulnerability affects Firefox for iOS \u003c 28.","status":"published","published":"2020-08-10T17:43:24Z","modified":"2024-08-04T13:22:30.401Z","updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-7638","description":"A unicode RTL order character in the downloaded file name can be used to change the file's name during the download UI flow to change the file extension. This vulnerability affects Firefox for iOS \u003c 28.","status":"published","published":"2020-08-10T17:43:24Z","modified":"2024-08-04T13:22:30Z","updated_at":"2026-11-03T03:07:30.980066Z"}],"ghsa":[{"id":"GHSA-5p65-3pv7-7gq2","title":"A unicode RTL order character in the downloaded file name can be used to change the file's name...","description":"A unicode RTL order character in the downloaded file name can be used to change the file's name during the download UI flow to change the file extension. This vulnerability affects Firefox for iOS \u003c 28.","status":"published","published":"2022-05-24T17:25:11Z","modified":"2023-01-29T05:03:41Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:45:22.75476Z"}],"nvd":[{"id":"CVE-2020-15651","description":"A unicode RTL order character in the downloaded file name can be used to change the file's name during the download UI flow to change the file extension. This vulnerability affects Firefox for iOS \u003c 28.","status":"published","published":"2020-08-10T18:15:12.247Z","modified":"2026-06-17T02:56:59.023Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:10.994748Z"}]}}