{"id":"CVE-2020-28864","aliases":["EUVD-2020-21256","GHSA-vrx9-j28q-wm7x"],"status":"published","title":"Buffer overflow in WinSCP 5.17.8 allows a malicious FTP server to cause a denial of service or...","description":"Buffer overflow in WinSCP 5.17.8 allows a malicious FTP server to cause a denial of service or possibly have other unspecified impact via a long file name.","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":0.02847,"percentile":0.86798,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-11-23T18:12:08Z","modified":"2026-06-17T03:10:45Z","products":[{"vendor":"winscp","product":"winscp"}],"references":[{"url":"https://winscp.net/forum/viewtopic.php?t=30085","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://winscp.net/tracker/1924","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28864"},{"url":"https://github.com/advisories/GHSA-vrx9-j28q-wm7x"}],"sources":{"cve":[{"id":"CVE-2020-28864","description":"Buffer overflow in WinSCP 5.17.8 allows a malicious FTP server to cause a denial of service or possibly have other unspecified impact via a long file name.","status":"published","published":"2020-11-23T18:12:08Z","modified":"2024-08-04T16:40:59.949Z","updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-21256","description":"Buffer overflow in WinSCP 5.17.8 allows a malicious FTP server to cause a denial of service or possibly have other unspecified impact via a long file name.","status":"published","published":"2020-11-23T18:12:08Z","modified":"2024-08-04T16:40:59Z","updated_at":"2026-11-03T03:07:09.169254Z"}],"ghsa":[{"id":"GHSA-vrx9-j28q-wm7x","title":"Buffer overflow in WinSCP 5.17.8 allows a malicious FTP server to cause a denial of service or...","description":"Buffer overflow in WinSCP 5.17.8 allows a malicious FTP server to cause a denial of service or possibly have other unspecified impact via a long file name.","status":"published","published":"2022-05-24T17:34:49Z","modified":"2023-01-29T05:04:33Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:45:35.161944Z"}],"nvd":[{"id":"CVE-2020-28864","description":"Buffer overflow in WinSCP 5.17.8 allows a malicious FTP server to cause a denial of service or possibly have other unspecified impact via a long file name.","status":"published","published":"2020-11-23T19:15:11.35Z","modified":"2026-06-17T03:10:45.967Z","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-120"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}