{"id":"CVE-2021-26753","aliases":["EUVD-2021-13540","GHSA-9737-ffv6-mv28"],"status":"published","title":"NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the...","description":"NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the endpoint /System-Files.php via the txt HTTP POST parameter. This allows an attacker to obtain access to the operating system where NeDi is installed and to all application data.","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01164,"percentile":0.67679,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863","CWE-94"],"published":"2021-02-12T20:35:20Z","modified":"2026-06-17T03:43:46Z","products":[{"vendor":"nedi","product":"nedi"}],"references":[{"url":"https://n4nj0.github.io/advisories/nedi-multiple-vulnerabilities-i/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26753"},{"url":"https://github.com/advisories/GHSA-9737-ffv6-mv28"}],"sources":{"cve":[{"id":"CVE-2021-26753","description":"NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the endpoint /System-Files.php via the txt HTTP POST parameter. This allows an attacker to obtain access to the operating system where NeDi is installed and to all application data.","status":"published","published":"2021-02-12T20:35:20Z","modified":"2024-08-03T20:33:40.925Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13540","description":"NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the endpoint /System-Files.php via the txt HTTP POST parameter. This allows an attacker to obtain access to the operating system where NeDi is installed and to all application data.","status":"published","published":"2021-02-12T20:35:20Z","modified":"2024-08-03T20:33:40Z","updated_at":"2026-11-03T03:24:50.84326Z"}],"ghsa":[{"id":"GHSA-9737-ffv6-mv28","title":"NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the...","description":"NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the endpoint /System-Files.php via the txt HTTP POST parameter. This allows an attacker to obtain access to the operating system where NeDi is installed and to all application data.","status":"published","published":"2022-05-24T17:42:07Z","modified":"2023-01-29T05:06:30Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94","CWE-863"],"updated_at":"2026-11-02T14:46:02.46151Z"}],"nvd":[{"id":"CVE-2021-26753","description":"NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the endpoint /System-Files.php via the txt HTTP POST parameter. This allows an attacker to obtain access to the operating system where NeDi is installed and to all application data.","status":"published","published":"2021-02-12T21:15:13.027Z","modified":"2026-06-17T03:43:46.37Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:06:50.031227Z"}]}}