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CVE-2021-39379

CriticalPublished

A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database. A malicious attacker can issue SQL...

Published: Sep 1, 2021
Updated: Aug 4, 2024
Assigning CNA: mitre
Evidence observed: Aug 4, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

3.7%

Low · next 30 days

Percentile: 89.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database. A malicious attacker can issue SQL commands to the MySQL (MariaDB) database through the ResetUserInfo.php password_stn_id parameter.

Sources

CVE-2021-39379PoC
Proof-of-concept exploit for CVE-2021-39379, a SQL injection vulnerability in openSIS 8.0 via the password_stn_id parameter in ResetUserInfo.php, enabling time-based blind SQLi against MySQL/MariaDB.

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