# CVE-2017-3806: Command injection in Cisco Firepower 4100 Series Next-Generation Firewall and Cisco Firepower 9300 Security Appliance 2.0(1.68)

> An authenticated local attacker can inject arbitrary shell commands into Cisco Firepower firewalls, leading to code execution on the device.

- **Severity:** Medium 5.3 (`CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **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:** 3 Feb 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-h6gm-h2wg-p29r

## What is CVE-2017-3806?

CVE-2017-3806 is a medium-severity command injection vulnerability in Cisco Secure Firewall Threat Defense, published on 3 Feb 2017. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability in CLI command processing in the Cisco Firepower 4100 Series Next-Generation Firewall and Cisco Firepower 9300 Security Appliance could allow an authenticated, local attacker to inject arbitrary shell commands that are executed by the device. More Information: CSCvb61343. Known Affected Releases: 2.0(1.68). Known Fixed Releases: 2.0(1.118) 2.1(1.47) 92.1(1.1646) 92.1(1.1763) 92.2(1.101).

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

## Which versions are affected by CVE-2017-3806?

It affects 1 product.


Products: Cisco Secure Firewall Threat Defense.

## How do I fix CVE-2017-3806?

No fix has been published for CVE-2017-3806 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-3806 being exploited?

There is no known exploitation of CVE-2017-3806 in the wild and no public exploit code.

## Other vulnerabilities in Cisco Secure Firewall Threat Defense

- [CVE-2024-20412](https://insights.sbomify.com/CVE-2024-20412/): Hardcoded credentials in Cisco Firepower Threat Defense Software (critical 9.3)
- [CVE-2024-20330](https://insights.sbomify.com/CVE-2024-20330/): Memory corruption in Cisco Firepower Threat Defense Software (high 8.6)
- [CVE-2024-20339](https://insights.sbomify.com/CVE-2024-20339/): Cisco Firepower Threat Defense Software for Firepower 2100 Series TLS Denial of Service Vulnerability (high 8.6)
- [CVE-2024-20351](https://insights.sbomify.com/CVE-2024-20351/): Cisco Firepower Threat Defense Software Snort Firewall Denial of Service Vulnerability (high 8.6)
- [CVE-2023-20083](https://insights.sbomify.com/CVE-2023-20083/): Denial of service in Cisco Firepower Threat Defense Software (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-3806 and fix it if it is affected.

What it is: CVE-2017-3806 is a medium-severity command injection vulnerability in Cisco Secure Firewall Threat Defense, published on 3 Feb 2017. 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-2017-3806 in the wild and no public exploit code.

Affected product: Cisco Secure Firewall Threat Defense. 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-2017-3806/ (Markdown: https://insights.sbomify.com/CVE-2017-3806/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-3806
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-3806
- OSV: https://osv.dev/vulnerability/CVE-2017-3806

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-3806/
Summaries are generated and may contain mistakes; the official description above is the record.