# CVE-2021-36722: Emuse - eServices / eNvoice SQL injection

> SQL injection in Emuse eServices allows attackers to bypass authentication, dump databases, and achieve remote code execution.

- **Severity:** High 7.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 29 Dec 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-7wvg-v832-h9xq

## What is CVE-2021-36722?

CVE-2021-36722 is a high-severity SQL injection vulnerability in Emuse eServices / eNvoice, published on 29 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Emuse - eServices / eNvoice SQL injection can be used in various ways ranging from bypassing login authentication or dumping the whole database to full RCE on the affected endpoints. The SQLi caused by CWE-209: Generation of Error Message Containig Sensetive Information, showing parts of the aspx code and the webroot location , information an attacker can leverage to further compromise the host.

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

## Which versions are affected by CVE-2021-36722?

It affects 1 product.


Products: Emuse - Eservices \/ Envoice Project Emuse - Eservices \/ Envoice.

## How do I fix CVE-2021-36722?

No fix has been published for CVE-2021-36722 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-36722 being exploited?

There is no known exploitation of CVE-2021-36722 in the wild and no public exploit code.

## Other vulnerabilities in Emuse eServices / eNvoice

- [CVE-2021-36723](https://insights.sbomify.com/CVE-2021-36723/): Emuse - eServices / eNvoice Exposure Of Private Personal Information (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-36722 and fix it if it is affected.

What it is: CVE-2021-36722 is a high-severity SQL injection vulnerability in Emuse eServices / eNvoice, published on 29 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-36722 in the wild and no public exploit code.

Affected product: Emuse eServices / eNvoice. 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-2021-36722/ (Markdown: https://insights.sbomify.com/CVE-2021-36722/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-36722
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-36722
- OSV: https://osv.dev/vulnerability/CVE-2021-36722

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-36722/
Summaries are generated and may contain mistakes; the official description above is the record.