# CVE-2021-43828: Improper Privilege Management in Patrowl

> Unauthenticated attackers can download sensitive security finding files due to predictable file paths in PatrowlManager.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/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:** 14 Dec 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-x4wp-xvq7-w5vr

## What is CVE-2021-43828?

CVE-2021-43828 is a high-severity missing authorization vulnerability in PatrowlManager, published on 14 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

PatrOwl is a free and open-source solution for orchestrating Security Operations. In versions prior to 1.77 an improper privilege management (IDOR) has been found in PatrowlManager. All imports findings file is placed under /media/imports/<owner_id>/<tmp_file> In that, owner_id is predictable and tmp_file is in format of import_<ownder_id>_<time_created>, for example: import_1_1639213059582.json This filename is predictable and allows anyone without logging in to download all finding import files This vulnerability is capable of allowing unlogged in users to download all finding imports file. Users are advised to update to 1.7.7 as soon as possible. There are no known workarounds.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key), CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2021-43828?

It affects 1 product.


Products: Patrowl Patrowlmanager.

## How do I fix CVE-2021-43828?

No fix has been published for CVE-2021-43828 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-43828 being exploited?

There is no known exploitation of CVE-2021-43828 in the wild and no public exploit code.

## Other vulnerabilities in PatrowlManager

- [CVE-2021-43829](https://insights.sbomify.com/CVE-2021-43829/): Unrestricted Upload of Files in Patrowl (high 7.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-43828 and fix it if it is affected.

What it is: CVE-2021-43828 is a high-severity missing authorization vulnerability in PatrowlManager, published on 14 Dec 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-2021-43828 in the wild and no public exploit code.

Affected product: PatrowlManager. 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-2021-43828/ (Markdown: https://insights.sbomify.com/CVE-2021-43828/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-43828
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-43828
- OSV: https://osv.dev/vulnerability/CVE-2021-43828

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-43828/
Summaries are generated and may contain mistakes; the official description above is the record.