CVE-2021-41691

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:os4ed:opensis:8.0:*:*:*:community:*:*:*", "matchCriteriaId": "7159D18F-0406-4CBE-B985-FD2E8A5F07C9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A SQL injection vulnerability exists in OS4Ed Open Source Information System Community v8.0 via the \"student_id\" and \"TRANSFER{SCHOOL]\" parameters in POST request sent to /TransferredOutModal.php."}, {"lang": "es", "value": "Existe una vulnerabilidad de inyecci\u00f3n SQL en OS4Ed Open Source Information System Community v8.0 a trav\u00e9s de los par\u00e1metros \"student_id\" y \"TRANSFER{SCHOOL]\" en la solicitud POST enviada a /TransferredOutModal.php."}], "id": "CVE-2021-41691", "lastModified": "2026-06-17T04:08:49.043", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-41691", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-06-25T14:21:53.303706Z", "version": "2.0.3"}}]}, "published": "2025-06-24T16:15:22.797", "references": [{"source": "cve@mitre.org", "tags": ["Product"], "url": "https://github.com/OS4ED/openSIS-Classic/"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://opensis.com/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://resources.s4e.io/blog/opensis-student-information-system-0-day-vulnerability-cve-2021-41691/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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