{"id":"CVE-2021-3239","aliases":["EUVD-2021-26578","GHSA-w2ww-68p9-gv39"],"status":"published","title":"E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows...","description":"E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code on the hosting web server and gain a reverse shell.","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":0.18874,"percentile":0.97332,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2021-02-15T20:39:34Z","modified":"2026-06-17T04:04:50Z","exploits":[{"source":"nuclei","id":"CVE-2021-3239","title":"E-Learning System 1.0 - SQL Injection","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-3239.yaml"}],"products":[{"vendor":"e-learning_system_project","product":"e-learning_system"}],"references":[{"url":"https://github.com/TCSWT/E-Learning-System/blob/main/README.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/49434","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.html","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory"]},{"url":"https://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3239"},{"url":"https://github.com/advisories/GHSA-w2ww-68p9-gv39"}],"sources":{"cve":[{"id":"CVE-2021-3239","description":"E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code on the hosting web server and gain a reverse shell.","status":"published","published":"2021-02-15T20:39:34Z","modified":"2024-08-03T16:53:16.006Z","updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26578","description":"E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code on the hosting web server and gain a reverse shell.","status":"published","published":"2021-02-15T20:39:34Z","modified":"2024-08-03T16:53:16Z","updated_at":"2026-11-03T03:25:13.531128Z"}],"ghsa":[{"id":"GHSA-w2ww-68p9-gv39","title":"E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows...","description":"E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code on the hosting web server and gain a reverse shell.","status":"published","published":"2022-05-24T17:42:17Z","modified":"2023-01-29T05:06:31Z","cwes":["CWE-89"],"updated_at":"2026-11-02T14:46:02.943866Z"}],"nvd":[{"id":"CVE-2021-3239","description":"E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code on the hosting web server and gain a reverse shell.","status":"published","published":"2021-02-15T21:15:13.547Z","modified":"2026-06-17T04:04:50.943Z","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":"2026-11-02T14:06:50.031227Z"}]}}