# CVE-2021-37806: SQL injection in n/a

> An attacker can exploit time-based SQL injection in the Vehicle Parking Management System to extract sensitive database information.

- **Severity:** Medium 5.9 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Oct 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-pjg8-5h4c-gp9h

## What is CVE-2021-37806?

CVE-2021-37806 is a medium-severity SQL injection vulnerability in n/a, published on 27 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An SQL Injection vulnerability exists in https://phpgurukul.com Vehicle Parking Management System affected version 1.0. The system is vulnerable to time-based SQL injection on multiple endpoints. Based on the SLEEP(N) function payload that will sleep for a number of seconds used on the (1) editid , (2) viewid, and (3) catename parameters, the server response is about (N) seconds delay respectively which mean it is vulnerable to MySQL Blind (Time Based). An attacker can use sqlmap to further the exploitation for extracting sensitive information from the database.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2021-37806?

It affects 1 product.


Products: Phpgurukul Vehicle Parking Management System.

## How do I fix CVE-2021-37806?

No fix has been published for CVE-2021-37806 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-37806 being exploited?

There is no known exploitation of CVE-2021-37806 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2025-45885](https://insights.sbomify.com/CVE-2025-45885/): SQL injection in n/a (critical 9.8)
- [CVE-2020-23936](https://insights.sbomify.com/CVE-2020-23936/): Auth bypass in n/a (critical 9.8)
- [CVE-2025-7521](https://insights.sbomify.com/CVE-2025-7521/): PHPGurukul Vehicle Parking Management System index.php sql injection (medium 6.9)
- [CVE-2025-7480](https://insights.sbomify.com/CVE-2025-7480/): PHPGurukul Vehicle Parking Management System signup.php sql injection (medium 6.9)
- [CVE-2025-7483](https://insights.sbomify.com/CVE-2025-7483/): PHPGurukul Vehicle Parking Management System forgot-password.php sql injection (medium 6.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-37806 and fix it if it is affected.

What it is: CVE-2021-37806 is a medium-severity SQL injection vulnerability in n/a, published on 27 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-37806 in the wild and no public exploit code.

Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-37806/ (Markdown: https://insights.sbomify.com/CVE-2021-37806/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-37806
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-37806
- OSV: https://osv.dev/vulnerability/CVE-2021-37806

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-37806/
Summaries are generated and may contain mistakes; the official description above is the record.