# CVE-2018-0217: Command injection in Cisco StarOS

> An authenticated local attacker can inject arbitrary commands into the CLI of Cisco StarOS routers to execute code.

- **Severity:** Medium 6.7 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Mar 2018
- **Updated:** 2 Dec 2024
- **Also known as:** GHSA-v48w-7v4g-xgfj

## What is CVE-2018-0217?

CVE-2018-0217 is a medium-severity command injection vulnerability in Cisco StarOS, published on 8 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability in the CLI of the Cisco StarOS operating system for Cisco ASR 5000 Series Aggregation Services Routers could allow an authenticated, local attacker to perform a command injection attack on an affected system. The vulnerability is due to insufficient validation of commands that are supplied to certain configurations in the CLI of the affected operating system. An attacker could exploit this vulnerability by injecting crafted arguments into a vulnerable CLI command for an affected system. A successful exploit could allow the attacker to insert and execute arbitrary commands in the CLI of the affected system. To exploit this vulnerability, the attacker would need to authenticate to an affected system by using valid administrator credentials. Cisco Bug IDs: CSCvg29441.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command), CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2018-0217?

It affects 3 products.


Products: Cisco Asr 5000 Firmware, Cisco Asr 5500 Firmware, Cisco Asr 5700 Firmware.

## How do I fix CVE-2018-0217?

No fix has been published for CVE-2018-0217 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-0217 being exploited?

There is no known exploitation of CVE-2018-0217 in the wild and no public exploit code.

## Other vulnerabilities in Cisco StarOS

- [CVE-2018-0117](https://insights.sbomify.com/CVE-2018-0117/): Denial of service in Cisco Virtualized Packet Core-Distributed Instance (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-0217 and fix it if it is affected.

What it is: CVE-2018-0217 is a medium-severity command injection vulnerability in Cisco StarOS, published on 8 Mar 2018. 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-2018-0217 in the wild and no public exploit code.

Affected product: Cisco StarOS. 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-2018-0217/ (Markdown: https://insights.sbomify.com/CVE-2018-0217/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-0217
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-0217
- OSV: https://osv.dev/vulnerability/CVE-2018-0217

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-0217/
Summaries are generated and may contain mistakes; the official description above is the record.