# CVE-2023-22377: XML external entity in tsClinical Define.xml Generator and tsClinical Metadata Desktop Tools

> An attacker can read arbitrary files by exploiting an XML External Entity vulnerability in Fujitsu tsClinical tools via a crafted XML file.

- **Severity:** High 7.4 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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:** 15 Feb 2023
- **Updated:** 19 Mar 2025

## What is CVE-2023-22377?

CVE-2023-22377 is a high-severity vulnerability in FUJITSU LIMITED tsClinical Define.xml Generator and tsClinical Metadata Desktop Tools, published on 15 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper restriction of XML external entity reference (XXE) vulnerability exists in tsClinical Define.xml Generator all versions (v1.0.0 to v1.4.0) and tsClinical Metadata Desktop Tools Version 1.0.3 to Version 1.1.0. If this vulnerability is exploited, an attacker may obtain an arbitrary file which meets a certain condition by reading a specially crafted XML file.

Weakness: CWE-611 (Improper Restriction of XML External Entity Reference)

## Which versions are affected by CVE-2023-22377?

It affects 2 products.


Products: Fujitsu Tsclinical Define.xml Generator, Fujitsu Tsclinical Metadata Desktop Tools.

## How do I fix CVE-2023-22377?

No fix has been published for CVE-2023-22377 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-22377 being exploited?

There is no known exploitation of CVE-2023-22377 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-22377 and fix it if it is affected.

What it is: CVE-2023-22377 is a high-severity vulnerability in FUJITSU LIMITED tsClinical Define.xml Generator and tsClinical Metadata Desktop Tools, published on 15 Feb 2023. 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-2023-22377 in the wild and no public exploit code.

Affected product: FUJITSU LIMITED tsClinical Define.xml Generator and tsClinical Metadata Desktop Tools. 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-2023-22377/ (Markdown: https://insights.sbomify.com/CVE-2023-22377/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-22377
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-22377
- OSV: https://osv.dev/vulnerability/CVE-2023-22377

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-22377/
Summaries are generated and may contain mistakes; the official description above is the record.