# CVE-2018-18591: MFSBGN03823 rev.1 - Micro Focus Service Manager, unauthorized disclosure of data

> Attackers can exploit this vulnerability in Micro Focus Service Manager to gain unauthorized access to sensitive data.

- **Severity:** Medium 6.8 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Nov 2018
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-w42w-m8w7-9jc7

## What is CVE-2018-18591?

CVE-2018-18591 is a medium-severity vulnerability in Micro Focus Service Manager, published on 13 Nov 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A potential unauthorized disclosure of data vulnerability has been identified in Micro Focus Service Manager versions: 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, 9.51. The vulnerability could be exploited to release unauthorized disclosure of data.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2018-18591?

It affects 1 product.


Products: Microfocus Service Manager.

## How do I fix CVE-2018-18591?

No fix has been published for CVE-2018-18591 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-18591 being exploited?

There is no known exploitation of CVE-2018-18591 in the wild and no public exploit code.

## Other vulnerabilities in Micro Focus Service Manager

- [CVE-2019-11666](https://insights.sbomify.com/CVE-2019-11666/): Deserialization in Service Manager (high 8.8)
- [CVE-2019-11646](https://insights.sbomify.com/CVE-2019-11646/): Command injection in Micro Focus Service Manager (high 8.8)
- [CVE-2019-11661](https://insights.sbomify.com/CVE-2019-11661/): Missing authorization in Service Manager (high 8.3)
- [CVE-2019-11665](https://insights.sbomify.com/CVE-2019-11665/): Information disclosure in Service Manager (high 7.5)
- [CVE-2019-11667](https://insights.sbomify.com/CVE-2019-11667/): Missing authorization in Service Manager (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-18591 and fix it if it is affected.

What it is: CVE-2018-18591 is a medium-severity vulnerability in Micro Focus Service Manager, published on 13 Nov 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2018-18591 in the wild and no public exploit code.

Affected product: Micro Focus Service Manager. 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-2018-18591/ (Markdown: https://insights.sbomify.com/CVE-2018-18591/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-18591
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-18591
- OSV: https://osv.dev/vulnerability/CVE-2018-18591

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-18591/
Summaries are generated and may contain mistakes; the official description above is the record.