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Case File

CVE-2021-36621

HIGH · CVSS 8.1 EPSS 2.07% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-30 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. 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-2021-36621
Severity
HIGH
CVSS
8.1
EPSS
2.07%

Original NVD Description

Sourcecodester Online Covid Vaccination Scheduler System 1.0 is vulnerable to SQL Injection. The username parameter is vulnerable to time-based SQL injection. Upon successful dumping the admin password hash, an attacker can decrypt and obtain the plain-text password. Hence, the attacker could authenticate as Administrator.

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