{"id":"CVE-2020-6144","details":"A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The username variable which is set at line 121 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability.","modified":"2026-08-27T08:14:24.228678Z","published":"2020-09-01T21:15:13.143Z","references":[{"type":"EVIDENCE","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1083"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/OS4ED/openSIS-Classic","events":[{"introduced":"1127ae0bb7c3a2883febeabc6b71ad8d73510de8"},{"last_affected":"1127ae0bb7c3a2883febeabc6b71ad8d73510de8"}],"database_specific":{"cpe":"cpe:2.3:a:os4ed:opensis:7.4:*:*:*:*:*:*:*","extracted_events":[{"introduced":"7.4"},{"last_affected":"7.4"}],"source":"CPE_STRING"}}],"versions":["7.4","ver7.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6144.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/os4ed/opensis-classic","events":[{"introduced":"1127ae0bb7c3a2883febeabc6b71ad8d73510de8"},{"last_affected":"1127ae0bb7c3a2883febeabc6b71ad8d73510de8"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:os4ed:opensis:7.4:*:*:*:*:*:*:*","extracted_events":[{"introduced":"7.4"},{"last_affected":"7.4"}]}}],"versions":["7.4","ver7.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6144.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}