{"id":"CVE-2020-6637","aliases":["EUVD-2020-27785","GHSA-hvjm-9hmq-c635"],"status":"published","title":"openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter...","description":"openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.","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":"2026-11-09","score":0.17576,"percentile":0.97163,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2020-08-24T19:01:32Z","modified":"2026-10-24T10:50:23Z","exploits":[{"source":"nuclei","id":"CVE-2020-6637","title":"OpenSIS 7.3 - SQL Injection","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-6637.yaml"}],"products":[{"vendor":"os4ed","product":"opensis"}],"references":[{"url":"https://opensis.com/","tags":["x_refsource_MISC","x_transferred","Product","web"]},{"url":"https://sourceforge.net/projects/opensis-ce/files/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/OS4ED/openSIS-Responsive-Design/commit/1127ae0bb7c3a2883febeabc6b71ad8d73510de8","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://cinzinga.com/CVE-2020-6637/","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6637"},{"url":"https://github.com/advisories/GHSA-hvjm-9hmq-c635"}],"sources":{"cve":[{"id":"CVE-2020-6637","description":"openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.","status":"published","published":"2020-08-24T19:01:32Z","modified":"2024-08-04T09:11:04.654Z","updated_at":"2026-11-02T14:35:52.268457Z"}],"euvd":[{"id":"EUVD-2020-27785","description":"openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.","status":"published","published":"2020-08-24T19:01:32Z","modified":"2024-08-04T09:11:04Z","updated_at":"2026-11-03T03:08:02.022514Z"}],"ghsa":[{"id":"GHSA-hvjm-9hmq-c635","title":"openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter...","description":"openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.","status":"published","published":"2022-05-24T17:26:28Z","modified":"2023-01-29T05:03:39Z","updated_at":"2026-11-02T14:45:22.292804Z"}],"nvd":[{"id":"CVE-2020-6637","description":"openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.","status":"published","published":"2020-08-24T19:15:10.62Z","modified":"2026-06-17T03:23:42.5Z","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-89"],"updated_at":"2026-11-02T14:06:13.05572Z"}],"osv":[{"id":"CVE-2020-6637","description":"openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.","status":"published","published":"2020-08-24T19:15:10.62Z","modified":"2026-10-24T10:50:23.311518917Z","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":"2026-11-02T15:44:17.34531Z"}]}}