{"id":"CVE-2021-42580","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-42580","generatedAt":"2026-11-04T11:42:44.526Z","title":"Sourcecodester Online Learning System 2.0 is vunlerable to sql injection authentication bypass in admin login file (/admin/login.php) and authenticated file upload in (Master.php) file , we can craft these two vunlerablities to get unauthenticated…","description":"Sourcecodester Online Learning System 2.0 is vunlerable to sql injection authentication bypass in admin login file (/admin/login.php) and authenticated file upload in (Master.php) file , we can craft these two vunlerablities to get unauthenticated remote command execution.","published":"2021-11-15T16:15:10.000Z","lastModified":"2026-06-17T04:09:52.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-89"],"affected":["oretnom23/online learning system"],"epss":{"score":0.10066,"percentile":0.95633,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2021-11-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":50526,"kind":"exploit","title":"Online Learning System 2.0 - Remote Code Execution (RCE)","url":"https://www.exploit-db.com/exploits/50526","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/50526.py","file":"exploits/php/webapps/50526.py","published":"2021-11-16","added":"2021-11-16","updated":"2021-12-06","author":"djebbaranon","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2021-42580"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 10.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-11-01T00:00:00.000Z","detail":{"to":0.10066,"from":0.09985,"percentile":0.95627},"summary":"EPSS moved from 10.0% to 10.1% probability of exploitation in the next thirty days."}],"references":[{"url":"http://packetstormsecurity.com/files/164985/Online-Learning-System-2.0-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://github.com/DjebbarAnon/online-learning-system-v2-sqli-authentication-bypass-file-upload-unauthenticated-RCE","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-07","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.nu11secur1ty.com/2021/09/cve-nu11-07-elearning-v2by-oretnom23-is.html","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.nu11secur1ty.com/2021/11/cve-2021-42580.html","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/164985/Online-Learning-System-2.0-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/DjebbarAnon/online-learning-system-v2-sqli-authentication-bypass-file-upload-unauthenticated-RCE","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-07","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.nu11secur1ty.com/2021/09/cve-nu11-07-elearning-v2by-oretnom23-is.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.nu11secur1ty.com/2021/11/cve-2021-42580.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-42580","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}