# CVE-2021-38833: SQL injection in n/a

> Attackers can execute arbitrary SQL statements to gain remote code execution in the Apartment Visitors Management System.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Sep 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-m9pc-6vm2-63f5

## What is CVE-2021-38833?

CVE-2021-38833 is a critical SQL injection vulnerability in n/a, published on 13 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

SQL injection vulnerability in PHPGurukul Apartment Visitors Management System (AVMS) v. 1.0 allows attackers to execute arbitrary SQL statements and to gain RCE.

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

## Which versions are affected by CVE-2021-38833?

It affects 1 product.


Products: Apartment Visitors Management System Project Apartment Visitors Management System.

## How do I fix CVE-2021-38833?

No fix has been published for CVE-2021-38833 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-38833 being exploited?

There is no known exploitation of CVE-2021-38833 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2022-44139](https://insights.sbomify.com/CVE-2022-44139/): SQL injection in n/a (critical 9.8)
- [CVE-2022-2772](https://insights.sbomify.com/CVE-2022-2772/): SourceCodester Apartment Visitor Management System action-visitor.php sql injection (medium 6.3)
- [CVE-2022-2677](https://insights.sbomify.com/CVE-2022-2677/): SourceCodester Apartment Visitor Management System index.php sql injection (medium 6.3)
- [CVE-2022-2773](https://insights.sbomify.com/CVE-2022-2773/): SourceCodester Apartment Visitor Management System profile.php cross site scripting (low 3.5)
- [CVE-2022-2684](https://insights.sbomify.com/CVE-2022-2684/): SourceCodester Apartment Visitor Management System manage-apartment.php cross site scripting (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-38833 and fix it if it is affected.

What it is: CVE-2021-38833 is a critical SQL injection vulnerability in n/a, published on 13 Sep 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-2021-38833 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-2021-38833/ (Markdown: https://insights.sbomify.com/CVE-2021-38833/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-38833
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-38833
- OSV: https://osv.dev/vulnerability/CVE-2021-38833

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-38833/
Summaries are generated and may contain mistakes; the official description above is the record.