{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.1.13"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "bede709f6b9c1b21827280cde3b6d94968997884"
            },
            {
              "fixed": "e5434ea4915a93eb90b4c75ae79cb571001f7e3b"
            }
          ],
          "repo": "https://github.com/telegramdesktop/tdesktop",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "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.",
  "id": "CVE-2020-17448",
  "modified": "2026-04-01T23:10:08.507396087Z",
  "published": "2020-08-11T17:15:12.017Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/telegramdesktop/tdesktop/releases/tag/v2.2.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.gentoo.org/glsa/202101-34"
    },
    {
      "type": "ADVISORY",
      "url": "https://telegram.org"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/VijayT007/Vulnerability-Database/blob/master/Telegram-CVE-2020-17448"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}