What’s Vulnerable › Vulnerabilities

CVE-2021-43509

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-01 · updated 2026-06-17
• Weakness: CWE-89

Description

SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via the id parameter in view-service.php.

Affected products

• Simple Client Management System Project Simple Client Management System: 1.0

References

• https://github.com/r4hn1/Simple-Client-Management-System-Exploit/blob/main/CVE-2021-43509
• https://r4hn1.medium.com/journey-to-first-two-cve-by-rahul-kalnarayan-307e2e87ee26
• https://github.com/r4hn1/Simple-Client-Management-System-Exploit/blob/main/CVE-2021-43509
• https://r4hn1.medium.com/journey-to-first-two-cve-by-rahul-kalnarayan-307e2e87ee26

Get alerted when CVE-2021-43509 or the next vulnerability affects your stack