AUGUST 4, 2026
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Case File

CVE-2021-40636

HIGH · CVSS 7.5 EPSS 1.28% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-03 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. It involves a SQL injection risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-40636
Severity
HIGH
CVSS
7.5
EPSS
1.28%

Original NVD Description

OS4ED openSIS 8.0 is affected by SQL Injection in CheckDuplicateName.php, which can extract information from the database.

Related CVEs

Other vulnerabilities affecting the same vendor(s)