# CVE-2017-12243: Command injection in Cisco UCS Manager, Cisco Firepower 4100 Series NGFW, and Cisco Firepower 9300 Security Appliance

> An authenticated local attacker can exploit improper input validation to execute arbitrary commands and gain root privileges on Cisco UCS and Firepower devices.

- **Severity:** High 7.8 (`CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **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:** 2 Nov 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-742f-jwrq-hgqc

## What is CVE-2017-12243?

CVE-2017-12243 is a high-severity command injection vulnerability in Cisco UCS Manager, Cisco Firepower 4100 Series NGFW, and Cisco Firepower 9300 Security Appliance, published on 2 Nov 2017. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability in the Cisco Unified Computing System (UCS) Manager, Cisco Firepower 4100 Series Next-Generation Firewall (NGFW), and Cisco Firepower 9300 Security Appliance could allow an authenticated, local attacker to obtain root shell privileges on the device, aka Command Injection. The vulnerability is due to improper validation of string input in the shell application. An attacker could exploit this vulnerability through the use of malicious commands. A successful exploit could allow the attacker to obtain root shell privileges on the device. Cisco Bug IDs: CSCvf20741, CSCvf60078.

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

## Which versions are affected by CVE-2017-12243?

It affects 3 products.


Products: Cisco Firepower 4100 Next-Generation Firewall Firmware, Cisco Firepower 9300 Security Appliance Firmware, Cisco Unified Computing System Manager Firmware.

## How do I fix CVE-2017-12243?

No fix has been published for CVE-2017-12243 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-12243 being exploited?

There is no known exploitation of CVE-2017-12243 in the wild and no public exploit code.

Public exploit code:

- Cisco UCS Platform Emulator 3.1(2ePE1) - Remote Code Execution (exploitdb)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-12243 and fix it if it is affected.

What it is: CVE-2017-12243 is a high-severity command injection vulnerability in Cisco UCS Manager, Cisco Firepower 4100 Series NGFW, and Cisco Firepower 9300 Security Appliance, published on 2 Nov 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-2017-12243 in the wild and no public exploit code.

Affected product: Cisco UCS Manager, Cisco Firepower 4100 Series NGFW, and Cisco Firepower 9300 Security Appliance. 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-2017-12243/ (Markdown: https://insights.sbomify.com/CVE-2017-12243/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-12243
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-12243
- OSV: https://osv.dev/vulnerability/CVE-2017-12243

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From sbomify Insights: https://insights.sbomify.com/CVE-2017-12243/
Summaries are generated and may contain mistakes; the official description above is the record.