{"id":"CVE-2021-40886","aliases":["EUVD-2021-28041","GHSA-pfmf-m8rf-gm39"],"status":"published","title":"Projectsend version r1295 is affected by a directory traversal vulnerability. A user with...","description":"Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01419,"percentile":0.73158,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-10-11T10:24:05Z","modified":"2026-10-20T10:54:56Z","products":[{"vendor":"projectsend","product":"projectsend"}],"references":[{"url":"https://github.com/projectsend/projectsend/issues/993","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40886"},{"url":"https://github.com/advisories/GHSA-pfmf-m8rf-gm39"}],"sources":{"cve":[{"id":"CVE-2021-40886","description":"Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.","status":"published","published":"2021-10-11T10:24:05Z","modified":"2024-08-04T02:51:07.78Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-28041","description":"Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.","status":"published","published":"2021-10-11T10:24:05Z","modified":"2024-08-04T02:51:07Z","updated_at":"2026-11-03T03:24:19.692229Z"}],"ghsa":[{"id":"GHSA-pfmf-m8rf-gm39","title":"Projectsend version r1295 is affected by a directory traversal vulnerability. A user with...","description":"Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.","status":"published","published":"2022-05-24T19:17:12Z","modified":"2023-01-30T05:02:45Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:46:42.642348Z"}],"nvd":[{"id":"CVE-2021-40886","description":"Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.","status":"published","published":"2021-10-11T11:15:09.59Z","modified":"2026-06-17T04:07:35.623Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:59.689345Z"}],"osv":[{"id":"CVE-2021-40886","description":"Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.","status":"published","published":"2021-10-11T11:15:09.59Z","modified":"2026-10-20T10:54:56.650389985Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.249056Z"}]}}