{"id":"CVE-2021-33576","aliases":["EUVD-2021-20262","GHSA-83pw-wxhw-r33r"],"status":"published","title":"An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a...","description":"An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a filename. This filename can include path-traversal characters, allowing the file to be written to an arbitrary location on disk.","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":"2026-11-12","score":0.01549,"percentile":0.75429,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-06-18T10:53:06Z","modified":"2026-06-17T03:54:49Z","products":[{"vendor":"cleo","product":"lexicom"}],"references":[{"url":"https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0011.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.cleo.com/cleo-lexicom","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33576"},{"url":"https://github.com/advisories/GHSA-83pw-wxhw-r33r"}],"sources":{"cve":[{"id":"CVE-2021-33576","description":"An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a filename. This filename can include path-traversal characters, allowing the file to be written to an arbitrary location on disk.","status":"published","published":"2021-06-18T10:53:06Z","modified":"2024-08-03T23:50:43.095Z","updated_at":"2026-11-02T14:33:10.555814Z"}],"euvd":[{"id":"EUVD-2021-20262","description":"An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a filename. This filename can include path-traversal characters, allowing the file to be written to an arbitrary location on disk.","status":"published","published":"2021-06-18T10:53:06Z","modified":"2024-08-03T23:50:43Z","updated_at":"2026-11-03T03:24:33.866739Z"}],"ghsa":[{"id":"GHSA-83pw-wxhw-r33r","title":"An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a...","description":"An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a filename. This filename can include path-traversal characters, allowing the file to be written to an arbitrary location on disk.","status":"published","published":"2022-05-24T19:05:40Z","modified":"2023-01-29T05:08:03Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:46:12.058225Z"}],"nvd":[{"id":"CVE-2021-33576","description":"An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a filename. This filename can include path-traversal characters, allowing the file to be written to an arbitrary location on disk.","status":"published","published":"2021-06-18T11:15:08.76Z","modified":"2026-06-17T03:54:49.07Z","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-22"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}