{"id":"CVE-2024-12864","aliases":["EUVD-2025-6984","GHSA-w3m9-crxx-972f"],"status":"published","title":"Unauthenticated DoS by Sending Large Filename at File Upload Endpoint in netease-youdao/qanything","description":"A Denial of Service (DoS) vulnerability was discovered in the file upload feature of netease-youdao/qanything version v2.0.0. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this vulnerability by sending a large filename, causing the server to become overwhelmed and unavailable for legitimate users. This attack does not require authentication, making it highly scalable and increasing the risk of exploitation.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00878,"percentile":0.59351,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2025-03-20T10:10:47Z","modified":"2026-10-28T02:30:38Z","products":[{"vendor":"netease-youdao","product":"netease-youdao/qanything"},{"vendor":"youdao","product":"qanything"}],"references":[{"url":"https://huntr.com/bounties/365c3b9a-180c-4bb5-98d8-dbd78d93fcb7","tags":["Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-12864","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w3m9-crxx-972f"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/12xxx/CVE-2024-12864.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-12864","title":"Unauthenticated DoS by Sending Large Filename at File Upload Endpoint in netease-youdao/qanything","description":"A Denial of Service (DoS) vulnerability was discovered in the file upload feature of netease-youdao/qanything version v2.0.0. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this vulnerability by sending a large filename, causing the server to become overwhelmed and unavailable for legitimate users. This attack does not require authentication, making it highly scalable and increasing the risk of exploitation.","status":"published","published":"2025-03-20T10:10:47.575Z","modified":"2025-03-20T18:16:36.81Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:34:11.97482Z"}],"euvd":[{"id":"EUVD-2025-6984","description":"A Denial of Service (DoS) vulnerability was discovered in the file upload feature of netease-youdao/qanything version v2.0.0. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this vulnerability by sending a large filename, causing the server to become overwhelmed and unavailable for legitimate users. This attack does not require authentication, making it highly scalable and increasing the risk of exploitation.","status":"published","published":"2025-03-20T10:10:47Z","modified":"2025-03-20T18:16:36Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:57.377828Z"}],"ghsa":[{"id":"GHSA-w3m9-crxx-972f","title":"A Denial of Service (DoS) vulnerability was discovered in the file upload feature of netease...","description":"A Denial of Service (DoS) vulnerability was discovered in the file upload feature of netease-youdao/qanything version v2.0.0. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this vulnerability by sending a large filename, causing the server to become overwhelmed and unavailable for legitimate users. This attack does not require authentication, making it highly scalable and increasing the risk of exploitation.","status":"published","published":"2025-03-20T12:32:43Z","modified":"2025-03-20T12:32:44Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:00:22.529672Z"}],"nvd":[{"id":"CVE-2024-12864","description":"A Denial of Service (DoS) vulnerability was discovered in the file upload feature of netease-youdao/qanything version v2.0.0. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this vulnerability by sending a large filename, causing the server to become overwhelmed and unavailable for legitimate users. This attack does not require authentication, making it highly scalable and increasing the risk of exploitation.","status":"published","published":"2025-03-20T10:15:30.72Z","modified":"2026-06-17T07:00:39.693Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:10:45.815983Z"}],"osv":[{"id":"CVE-2024-12864","title":"Unauthenticated DoS by Sending Large Filename at File Upload Endpoint in netease-youdao/qanything","description":"A Denial of Service (DoS) vulnerability was discovered in the file upload feature of netease-youdao/qanything version v2.0.0. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this vulnerability by sending a large filename, causing the server to become overwhelmed and unavailable for legitimate users. This attack does not require authentication, making it highly scalable and increasing the risk of exploitation.","status":"published","published":"2025-03-20T10:10:47.575Z","modified":"2026-10-28T02:30:38.685771831Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:44:37.917085Z"}]}}