{"id":"CVE-2020-23574","aliases":["EUVD-2020-16318","GHSA-4vv3-wjvp-xprx"],"status":"published","title":"When uploading a file in Sysax Multi Server 6.90, an authenticated user can modify the filename=\"...","description":"When uploading a file in Sysax Multi Server 6.90, an authenticated user can modify the filename=\"\" parameter in the uploadfile_name1.htm form to a length of 368 or more bytes. This will create a buffer overflow condition, causing the application to crash.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0095,"percentile":0.6149,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-434"],"published":"2020-08-19T15:16:33Z","modified":"2026-06-17T03:04:49Z","products":[{"vendor":"sysax","product":"multi_server"}],"references":[{"url":"https://www.hosaka.co.uk/2020/06/08/sysax-multi-server-buffer-overflow/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-23574"},{"url":"https://github.com/advisories/GHSA-4vv3-wjvp-xprx"}],"sources":{"cve":[{"id":"CVE-2020-23574","description":"When uploading a file in Sysax Multi Server 6.90, an authenticated user can modify the filename=\"\" parameter in the uploadfile_name1.htm form to a length of 368 or more bytes. This will create a buffer overflow condition, causing the application to crash.","status":"published","published":"2020-08-19T15:16:33Z","modified":"2024-08-04T14:58:15.135Z","updated_at":"2026-11-02T14:35:49.209579Z"}],"euvd":[{"id":"EUVD-2020-16318","description":"When uploading a file in Sysax Multi Server 6.90, an authenticated user can modify the filename=\"\" parameter in the uploadfile_name1.htm form to a length of 368 or more bytes. This will create a buffer overflow condition, causing the application to crash.","status":"published","published":"2020-08-19T15:16:33Z","modified":"2024-08-04T14:58:15Z","updated_at":"2026-11-03T03:07:21.661388Z"}],"ghsa":[{"id":"GHSA-4vv3-wjvp-xprx","title":"When uploading a file in Sysax Multi Server 6.90, an authenticated user can modify the filename=\"...","description":"When uploading a file in Sysax Multi Server 6.90, an authenticated user can modify the filename=\"\" parameter in the uploadfile_name1.htm form to a length of 368 or more bytes. This will create a buffer overflow condition, causing the application to crash.","status":"published","published":"2022-05-24T17:26:08Z","modified":"2023-01-29T05:03:37Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:45:21.848692Z"}],"nvd":[{"id":"CVE-2020-23574","description":"When uploading a file in Sysax Multi Server 6.90, an authenticated user can modify the filename=\"\" parameter in the uploadfile_name1.htm form to a length of 368 or more bytes. This will create a buffer overflow condition, causing the application to crash.","status":"published","published":"2020-08-19T16:15:11.983Z","modified":"2026-06-17T03:04:49.6Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:06:13.05572Z"}]}}