# CVE-2018-1221: Other in The Cloud Foundry Gorouter

> A developer can exploit mishandled WebSocket requests to steal data or cause denial of service in Cloud Foundry Gorouter deployments.

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Mar 2018
- **Updated:** 17 Sep 2024

## What is CVE-2018-1221?

CVE-2018-1221 is a high-severity vulnerability in Dell EMC The Cloud Foundry Gorouter, published on 19 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

In cf-deployment before 1.14.0 and routing-release before 0.172.0, the Cloud Foundry Gorouter mishandles WebSocket requests for AWS Application Load Balancers (ALBs) and some other HTTP-aware Load Balancers. A user with developer privileges could use this vulnerability to steal data or cause denial of service.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2018-1221?

It affects 2 products.


Products: Cloudfoundry Cf-Deployment, Cloudfoundry Routing-Release.

## How do I fix CVE-2018-1221?

No fix has been published for CVE-2018-1221 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-1221 being exploited?

There is no known exploitation of CVE-2018-1221 in the wild and no public exploit code.

## Other vulnerabilities in Dell EMC The Cloud Foundry Gorouter

- [CVE-2022-31733](https://insights.sbomify.com/CVE-2022-31733/): Auth bypass in Cloud Foundry Diego and CF Deployment (critical 9.1)
- [CVE-2020-5402](https://insights.sbomify.com/CVE-2020-5402/): UAA fails to check the state parameter when authenticating with external IDPs (high 8.8)
- [CVE-2019-11293](https://insights.sbomify.com/CVE-2019-11293/): UAA logs all query parameters with debug logging level (high 8.8)
- [CVE-2019-11290](https://insights.sbomify.com/CVE-2019-11290/): Cloud Foundry UAA logs query parameters in tomcat access file (high 8.8)
- [CVE-2019-11283](https://insights.sbomify.com/CVE-2019-11283/): Password leak in smbdriver logs (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-1221 and fix it if it is affected.

What it is: CVE-2018-1221 is a high-severity vulnerability in Dell EMC The Cloud Foundry Gorouter, published on 19 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-1221 in the wild and no public exploit code.

Affected product: Dell EMC The Cloud Foundry Gorouter. 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-2018-1221/ (Markdown: https://insights.sbomify.com/CVE-2018-1221/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-1221
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-1221
- OSV: https://osv.dev/vulnerability/CVE-2018-1221

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-1221/
Summaries are generated and may contain mistakes; the official description above is the record.