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Case File

CVE-2021-40309

HIGH · CVSS 8.8 EPSS 1.82% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-24 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗ github.com ↗
External Security References
exploit-db.com ↗

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

CVE
CVE-2021-40309
Severity
HIGH
CVSS
8.8
EPSS
1.82%

Original NVD Description

A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to "Take Attendance" functionality to trigger this vulnerability.