# CVE-2023-45152: Blind Server Side Request Forgery (SSRF) in remote schedule import feature in Engelsystem

> Attackers can perform blind SSRF port scans against the local environment via the schedule import feature in Engelsystem.

- **Severity:** Low 2.0 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 16 Oct 2023
- **Updated:** 13 Sep 2024
- **Also known as:** GHSA-jj9g-75wf-6ppf

## What is CVE-2023-45152?

CVE-2023-45152 is a low-severity server-side request forgery vulnerability in engelsystem, published on 16 Oct 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Engelsystem is a shift planning system for chaos events. A Blind SSRF in the "Import schedule" functionality makes it possible to perform a port scan against the local environment. This vulnerability has been fixed in commit ee7d30b33. If a patch cannot be deployed, operators should ensure that no HTTP(s) services listen on localhost and/or systems only reachable from the host running the engelsystem software. If such services are necessary, they should utilize additional authentication.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2023-45152?

It affects 1 product.


Products: Engelsystem Engelsystem.

## How do I fix CVE-2023-45152?

No fix has been published for CVE-2023-45152 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-45152 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-45152 exists.

## Other vulnerabilities in engelsystem

- [CVE-2018-19182](https://insights.sbomify.com/CVE-2018-19182/): Cross-site request forgery in n/a (high 8.8)
- [CVE-2023-50924](https://insights.sbomify.com/CVE-2023-50924/): Stored XSS in Overview and Output fields (high 7.3)
- [CVE-2023-45659](https://insights.sbomify.com/CVE-2023-45659/): Session is not expiring after password reset in Engelsystem (low 3.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-45152 and fix it if it is affected.

What it is: CVE-2023-45152 is a low-severity server-side request forgery vulnerability in engelsystem, published on 16 Oct 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-45152 exists.

Affected product: engelsystem. 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-2023-45152/ (Markdown: https://insights.sbomify.com/CVE-2023-45152/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-45152
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-45152
- OSV: https://osv.dev/vulnerability/CVE-2023-45152

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-45152/
Summaries are generated and may contain mistakes; the official description above is the record.