{"id":"CVE-2020-17448","aliases":["DEBIAN-CVE-2020-17448","EUVD-2020-9400","GHSA-ccch-f948-2h8c","UBUNTU-CVE-2020-17448"],"status":"published","title":"Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type...","description":"Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism, as demonstrated by use of the chat window with a filename that lacks an extension.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02281,"percentile":0.83289,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2020-08-11T16:02:42Z","modified":"2026-10-26T12:02:28Z","fixes":[{"ecosystem":"Debian:12","package":"telegram-desktop","fixed_in":["2.2.0+ds-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"telegram-desktop","fixed_in":["2.2.0+ds-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"telegram-desktop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0+ds-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"telegram-desktop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.0+ds-1"}]}],"versions":["1.0.14-1","1.0.29-1","1.1.0-1","1.1.10-1","1.1.18-1","1.1.19-1","1.1.19-2","1.1.23-1","1.1.23-1~bpo9+1","1.1.23-2","1.1.23-3","1.2.1-1","1.2.1-2","1.2.15-1","1.2.17-1","1.2.6-1","1.2.6-2","1.3.10-1","1.3.10-2","1.3.14-1","1.3.7-1","1.4.0-1","1.5.11-1","1.5.2-1","1.5.4-1","1.5.8-1","1.7.0-1","1.7.14-1","1.8.15-1","1.8.15-2","1.8.15-2~bpo10+1","1.8.2-1","1.8.2-2","1.8.4-1","1.8.8-1","1.9.14+ds-1","1.9.14+ds-2","1.9.21+ds-1","1.9.8~slim-1","2.0.1+ds-1","2.1.0+ds-1","2.1.4+ds-1","2.1.5+ds-1","2.1.7+ds-1","2.1.7+ds-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"telegram-desktop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.23-1","1.1.23-1build1","1.1.23-2","1.1.23-3","1.2.6-1","1.2.6-2","1.2.6-2build1","1.2.6-2build2","1.2.6-2build3","1.2.15-1","1.2.15-1build1","1.2.17-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"telegram-desktop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.8-1","1.8.15-2","1.9.8~slim-1","1.9.14+ds-1","1.9.14+ds-2","1.9.21+ds-1","2.0.1+ds-1","2.0.1+ds-1build1","2.1.7+ds-2~ubuntu20.04.1","3.1.1+ds-1~ubuntu20.04.1"]}],"products":[{"vendor":"telegram","product":"telegram_desktop"}],"references":[{"url":"https://telegram.org","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://security.gentoo.org/glsa/202101-34","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17448"},{"url":"https://github.com/advisories/GHSA-ccch-f948-2h8c"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-17448","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-17448","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-17448","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-17448","description":"Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism, as demonstrated by use of the chat window with a filename that lacks an extension.","status":"published","published":"2020-08-11T16:02:42Z","modified":"2024-08-04T13:53:17.527Z","updated_at":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2020-9400","description":"Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism, as demonstrated by use of the chat window with a filename that lacks an extension.","status":"published","published":"2020-08-11T16:02:42Z","modified":"2024-08-04T13:53:17Z","updated_at":"2026-11-03T03:07:27.538796Z"}],"ghsa":[{"id":"GHSA-ccch-f948-2h8c","title":"Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type...","description":"Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism, as demonstrated by use of the chat window with a filename that lacks an extension.","status":"published","published":"2022-05-24T17:25:19Z","modified":"2023-01-29T05:03:30Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:45:19.964025Z"}],"nvd":[{"id":"CVE-2020-17448","description":"Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism, as demonstrated by use of the chat window with a filename that lacks an extension.","status":"published","published":"2020-08-11T17:15:12.017Z","modified":"2026-06-17T02:58:57.033Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:06:10.994748Z"}],"osv":[{"id":"CVE-2020-17448","description":"Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism, as demonstrated by use of the chat window with a filename that lacks an extension.","status":"published","published":"2020-08-11T17:15:12.017Z","modified":"2026-10-20T13:51:59.048222398Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.212689Z"},{"id":"DEBIAN-CVE-2020-17448","description":"Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism, as demonstrated by use of the chat window with a filename that lacks an extension.","status":"published","published":"2020-08-11T17:15:12.017Z","modified":"2026-10-26T12:02:28.677432538Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:33.384087Z"},{"id":"UBUNTU-CVE-2020-17448","description":"Telegram Desktop through 2.1.13 allows a spoofed file type to bypass the Dangerous File Type Execution protection mechanism, as demonstrated by use of the chat window with a filename that lacks an extension.","status":"published","published":"2020-08-11T17:15:00Z","modified":"2025-10-24T04:48:38Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:23.344108Z"}]}}