{"id":"CVE-2020-6835","aliases":["EUVD-2020-27979","GHSA-55hx-v69w-vhcr"],"status":"published","title":"An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file...","description":"An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02016,"percentile":0.8105,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-193"],"published":"2020-01-10T20:43:40Z","modified":"2026-06-17T03:23:53Z","products":[{"vendor":"bftpd_project","product":"bftpd"}],"references":[{"url":"https://fossies.org/linux/bftpd/CHANGELOG","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory"]},{"url":"http://bftpd.sourceforge.net/news.html#302460","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6835"},{"url":"https://github.com/advisories/GHSA-55hx-v69w-vhcr"}],"sources":{"cve":[{"id":"CVE-2020-6835","description":"An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.","status":"published","published":"2020-01-10T20:43:40Z","modified":"2024-08-04T09:11:05.212Z","updated_at":"2026-11-02T14:35:52.592504Z"}],"euvd":[{"id":"EUVD-2020-27979","description":"An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.","status":"published","published":"2020-01-10T20:43:40Z","modified":"2024-08-04T09:11:05Z","updated_at":"2026-11-03T03:08:01.566283Z"}],"ghsa":[{"id":"GHSA-55hx-v69w-vhcr","title":"An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file...","description":"An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.","status":"published","published":"2022-05-24T17:06:04Z","modified":"2023-01-29T05:01:06Z","updated_at":"2026-11-02T14:44:44.036588Z"}],"nvd":[{"id":"CVE-2020-6835","description":"An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.","status":"published","published":"2020-01-10T21:15:12.123Z","modified":"2026-06-17T03:23:53.547Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:05:52.385274Z"}]}}