CVE-2021-40353

CRITICAL

openSIS 8.0 - SQL Injection

Title source: llm

Description

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the index.php USERNAME parameter. NOTE: this issue may exist because of an incomplete fix for CVE-2020-6637.

Exploits (1)

nomisec WRITEUP 5 stars
by 5qu1n7 · poc
https://github.com/5qu1n7/CVE-2021-40353

Scores

CVSS v3 9.8
EPSS 0.0903
EPSS Percentile 92.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-89
Status published
Products (1)
os4ed/opensis 8.0
Published Sep 01, 2021
Tracked Since Feb 18, 2026