CVE-2021-40618: OS4ED Opensis

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

An SQL Injection vulnerability exists in openSIS Classic 8.0 via the 1) ADDR_CONT_USRN, 2) ADDR_CONT_PSWD, 3) SECN_CONT_USRN or 4) SECN_CONT_PSWD parameters in HoldAddressFields.php.

Affected products

• OS4ED Opensis: version 8.0 only

Published 2021-10-12. Last modified 2026-06-17.