# CVE-2020-28413: MantisBT SQL Injection via mc_project_get_users function

> An attacker can perform SQL injection via the SOAP API access parameter in MantisBT, potentially reading or modifying database contents.

- **Severity:** Medium 5.3 (`CVSS:3.1/AC:H/AV:N/A:N/C:H/I:N/PR:L/S:U/UI:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 30 Dec 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-49w9-82cj-xr48

## What is CVE-2020-28413?

CVE-2020-28413 is a medium-severity SQL injection vulnerability in Mantisbt Mantisbt, published on 30 Dec 2020. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

In MantisBT 2.24.3, SQL Injection can occur in the parameter "access" of the mc_project_get_users function through the API SOAP.

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

## Which versions are affected by CVE-2020-28413?

2 open source packages ship an affected version, including mantisbt/mantisbt. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `mantisbt/mantisbt` | Packagist | All versions | 2.24.4 |
| `mantisbt/mantisbt` | Packagist | All versions | 2.24.4 |

Products: Mantisbt Mantisbt.

## How do I fix CVE-2020-28413?

Upgrade mantisbt/mantisbt to 2.24.4 or later.

## Is CVE-2020-28413 being exploited?

There is no known exploitation of CVE-2020-28413 in the wild and no public exploit code.

Public exploit code:

- Dicha vulnerabilidad se presentaba en la funcionalidad mc_project_get_users, y su detección es tan solo modificando y enviando el parámetro “access” sin ningún valor y cambiando el tipo de valor a String. (github_poc): https://github.com/EthicalHCOP/CVE-2020-28413_Mantis2.24.3-SQLi-SOAP
- Mantis Bug Tracker 2.24.3 - 'access' SQL Injection (exploitdb)

## Other vulnerabilities in Mantisbt Mantisbt

- [CVE-2019-15074](https://insights.sbomify.com/CVE-2019-15074/): MantisBT allows cross-site scripting (XSS) via crafted filename (critical 9.6)
- [CVE-2026-30849](https://insights.sbomify.com/CVE-2026-30849/): MantisBT SOAP API has an authentication bypass vulnerability on MySQL (critical 9.3)
- [CVE-2025-47776](https://insights.sbomify.com/CVE-2025-47776/): MantisBT: Authentication bypass for some passwords due to PHP type juggling (high 8.8)
- [CVE-2017-7615](https://insights.sbomify.com/CVE-2017-7615/): MantisBT allows arbitrary password reset (high 8.8)
- [CVE-2026-33517](https://insights.sbomify.com/CVE-2026-33517/): MantisBT Vulnerable to Stored HTML Injection in Tag Delete Confirmation (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-28413 and fix it if it is affected.

What it is: CVE-2020-28413 is a medium-severity SQL injection vulnerability in Mantisbt Mantisbt, published on 30 Dec 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-28413 in the wild and no public exploit code.

Affected packages and fixed versions:
- mantisbt/mantisbt (Packagist): affected all versions; fixed in 2.24.4
- mantisbt/mantisbt (Packagist): affected all versions; fixed in 2.24.4

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-2020-28413/ (Markdown: https://insights.sbomify.com/CVE-2020-28413/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-28413
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-28413
- OSV: https://osv.dev/vulnerability/CVE-2020-28413

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-28413/
Summaries are generated and may contain mistakes; the official description above is the record.