# CVE-2019-11998: Security feature bypass in HPE Superdome Flex Server

> Administrators can bypass security restrictions to access information or cause denial of service via improper input validation in HPE Superdome Flex Server.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Jan 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-5qxm-f688-h9fm

## What is CVE-2019-11998?

CVE-2019-11998 is a medium-severity vulnerability in HPE Superdome Flex Server, published on 16 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

HPE Superdome Flex Server is vulnerable to multiple remote vulnerabilities via improper input validation of administrator commands. This vulnerability could allow an Administrator to bypass security restrictions and access multiple remote vulnerabilities including information disclosure, or denial of service. HPE has provided firmware updates that address the above vulnerabilities for the HPE Superdome Flex Server starting with firmware version v3.20.186 (not available online) and v3.20.206 (available online). Apply v3.20.206 (4 December 2019) or a newer version to resolve this issue. Please visit HPE Support Center https://support.hpe.com/hpesc/public/home to obtain the updated firmware for your product.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2019-11998?

It affects 1 product.


Products: Hpe Superdome Flex Server Firmware.

## How do I fix CVE-2019-11998?

No fix has been published for CVE-2019-11998 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-11998 being exploited?

There is no known exploitation of CVE-2019-11998 in the wild and no public exploit code.

## Other vulnerabilities in HPE Superdome Flex Server

- [CVE-2020-7137](https://insights.sbomify.com/CVE-2020-7137/): Privilege escalation in HPE Superdome Flex Server (medium 6.7)
- [CVE-2021-26581](https://insights.sbomify.com/CVE-2021-26581/): Denial of service in HPE Superdome Flex Server (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-11998 and fix it if it is affected.

What it is: CVE-2019-11998 is a medium-severity vulnerability in HPE Superdome Flex Server, published on 16 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-11998 in the wild and no public exploit code.

Affected product: HPE Superdome Flex Server. 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-2019-11998/ (Markdown: https://insights.sbomify.com/CVE-2019-11998/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-11998
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-11998
- OSV: https://osv.dev/vulnerability/CVE-2019-11998

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-11998/
Summaries are generated and may contain mistakes; the official description above is the record.