CVE-2020-6637

9.8 criticalEPSS 18%

Critical (9.8) in os4ed opensis. EPSS 18% chance of exploitation in the next 30 days.

openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 18% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2020-08-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19