{"id":"CVE-2021-44162","aliases":["EUVD-2021-31012","GHSA-h66r-8738-fm4g"],"status":"published","title":"Chain Sea Information Integration Co., Ltd ai chatbot system - Path Traversal","description":"Chain Sea ai chatbot system’s specific file download function has path traversal vulnerability. The function has improper filtering of special characters in URL parameters, which allows a remote attacker to download arbitrary system files without authentication.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01732,"percentile":0.77919,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-12-20T03:10:21Z","modified":"2026-06-17T04:11:58Z","products":[{"vendor":"chain sea information integration co., ltd","product":"ai chatbot system"},{"vendor":"chinasea","product":"qb_smart_service_robot"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-5397-b1f40-1.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44162"},{"url":"https://github.com/advisories/GHSA-h66r-8738-fm4g"}],"sources":{"cve":[{"id":"CVE-2021-44162","title":"Chain Sea Information Integration Co., Ltd ai chatbot system - Path Traversal","description":"Chain Sea ai chatbot system’s specific file download function has path traversal vulnerability. The function has improper filtering of special characters in URL parameters, which allows a remote attacker to download arbitrary system files without authentication.","status":"published","published":"2021-12-20T03:10:21.588Z","modified":"2024-09-16T23:42:02.518Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-31012","description":"Chain Sea ai chatbot system’s specific file download function has path traversal vulnerability. The function has improper filtering of special characters in URL parameters, which allows a remote attacker to download arbitrary system files without authentication.","status":"published","published":"2021-12-20T03:10:21Z","modified":"2024-09-16T23:42:02Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T00:54:47.592767Z"}],"ghsa":[{"id":"GHSA-h66r-8738-fm4g","title":"Chain Sea ai chatbot system’s specific file download function has path traversal vulnerability....","description":"Chain Sea ai chatbot system’s specific file download function has path traversal vulnerability. The function has improper filtering of special characters in URL parameters, which allows a remote attacker to download arbitrary system files without authentication.","status":"published","published":"2021-12-21T00:00:52Z","modified":"2023-02-03T05:02:52Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:53:15.265364Z"}],"nvd":[{"id":"CVE-2021-44162","description":"Chain Sea ai chatbot system’s specific file download function has path traversal vulnerability. The function has improper filtering of special characters in URL parameters, which allows a remote attacker to download arbitrary system files without authentication.","status":"published","published":"2021-12-20T03:15:06.713Z","modified":"2026-06-17T04:11:58.68Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:07:02.566991Z"}]}}