{"id":"CVE-2018-1999019","aliases":["EUVD-2018-10714","GHSA-g5qj-4p4v-2jhc"],"status":"published","title":"Chamilo LMS version 11.x contains an Unserialization vulnerability in the \"hash\" GET parameter...","description":"Chamilo LMS version 11.x contains an Unserialization vulnerability in the \"hash\" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution. This attack appear to be exploitable via a simple GET request to the api endpoint. This vulnerability appears to have been fixed in After commit 0de84700648f098c1fbf6b807dee28ec640efe62.","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":"2026-11-08","score":0.03175,"percentile":0.88129,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2018-07-23T15:00:00Z","modified":"2026-10-20T10:51:25Z","products":[{"vendor":"chamilo","product":"chamilo_lms"}],"references":[{"url":"https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://ibb.co/jBxe6y","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1999019"},{"url":"https://github.com/advisories/GHSA-g5qj-4p4v-2jhc"}],"sources":{"cve":[{"id":"CVE-2018-1999019","description":"Chamilo LMS version 11.x contains an Unserialization vulnerability in the \"hash\" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution. This attack appear to be exploitable via a simple GET request to the api endpoint. This vulnerability appears to have been fixed in After commit 0de84700648f098c1fbf6b807dee28ec640efe62.","status":"published","published":"2018-07-23T15:00:00Z","modified":"2024-09-16T19:09:56.108Z","updated_at":"2026-11-02T14:35:07.354449Z"}],"euvd":[{"id":"EUVD-2018-10714","description":"Chamilo LMS version 11.x contains an Unserialization vulnerability in the \"hash\" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution. This attack appear to be exploitable via a simple GET request to the api endpoint. This vulnerability appears to have been fixed in After commit 0de84700648f098c1fbf6b807dee28ec640efe62.","status":"published","published":"2018-07-23T15:00:00Z","modified":"2024-09-16T19:09:56Z","updated_at":"2026-11-03T00:55:25.778976Z"}],"ghsa":[{"id":"GHSA-g5qj-4p4v-2jhc","title":"Chamilo LMS version 11.x contains an Unserialization vulnerability in the \"hash\" GET parameter...","description":"Chamilo LMS version 11.x contains an Unserialization vulnerability in the \"hash\" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution. This attack appear to be exploitable via a simple GET request to the api endpoint. This vulnerability appears to have been fixed in After commit 0de84700648f098c1fbf6b807dee28ec640efe62.","status":"published","published":"2022-05-13T01:54:10Z","modified":"2023-02-02T05:02:28Z","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"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:51:26.673587Z"}],"nvd":[{"id":"CVE-2018-1999019","description":"Chamilo LMS version 11.x contains an Unserialization vulnerability in the \"hash\" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution. This attack appear to be exploitable via a simple GET request to the api endpoint. This vulnerability appears to have been fixed in After commit 0de84700648f098c1fbf6b807dee28ec640efe62.","status":"published","published":"2018-07-23T15:29:00.707Z","modified":"2026-06-17T01:48:17.377Z","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-94"],"updated_at":"2026-11-02T14:04:33.865124Z"}],"osv":[{"id":"CVE-2018-1999019","description":"Chamilo LMS version 11.x contains an Unserialization vulnerability in the \"hash\" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution. This attack appear to be exploitable via a simple GET request to the api endpoint. This vulnerability appears to have been fixed in After commit 0de84700648f098c1fbf6b807dee28ec640efe62.","status":"published","published":"2018-07-23T15:29:00.707Z","modified":"2026-10-20T10:51:25.466244024Z","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"}],"updated_at":"2026-11-02T15:44:09.145458Z"}]}}