# CVE-2016-6434: Hardcoded credentials in n/a

> Local users with CLI access can obtain sensitive information due to hardcoded database credentials in Cisco Firepower Management Center.

- **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:** 6 Oct 2016
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-888q-c9pw-cm4h

## What is CVE-2016-6434?

CVE-2016-6434 is a high-severity vulnerability in Cisco Secure Firewall Management Center, published on 6 Oct 2016. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Cisco Firepower Management Center 6.0.1 has hardcoded database credentials, which allows local users to obtain sensitive information by leveraging CLI access, aka Bug ID CSCva30370.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2016-6434?

It affects 1 product.


Products: Cisco Secure Firewall Management Center.

## How do I fix CVE-2016-6434?

No fix has been published for CVE-2016-6434 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-6434 being exploited?

There is no known exploitation of CVE-2016-6434 in the wild and no public exploit code.

Public exploit code:

- Cisco Firepower Threat Management Console 6.0.1 - Hard-Coded MySQL Credentials (exploitdb)

## Other vulnerabilities in Cisco Secure Firewall Management Center

- [CVE-2026-20079](https://insights.sbomify.com/CVE-2026-20079/): Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel (critical 10.0, exploited in the wild)
- [CVE-2026-20131](https://insights.sbomify.com/CVE-2026-20131/): Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management Deserialization of Untrusted Data (critical 10.0, exploited in the wild)
- [CVE-2026-20316](https://insights.sbomify.com/CVE-2026-20316/): Cisco Secure Firewall Management Center Use of Hard-coded Password (medium 5.3, exploited in the wild)
- [CVE-2025-20265](https://insights.sbomify.com/CVE-2025-20265/): Cisco Secure Firewall Management Center Software Radius Remote Code Execution Vulnerability (critical 10.0)
- [CVE-2024-20424](https://insights.sbomify.com/CVE-2024-20424/): Command injection in Cisco Firepower Management Center (critical 9.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-6434 and fix it if it is affected.

What it is: CVE-2016-6434 is a high-severity vulnerability in Cisco Secure Firewall Management Center, published on 6 Oct 2016. 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-2016-6434 in the wild and no public exploit code.

Affected product: Cisco Secure Firewall Management Center. 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-2016-6434/ (Markdown: https://insights.sbomify.com/CVE-2016-6434/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-6434
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-6434
- OSV: https://osv.dev/vulnerability/CVE-2016-6434

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-6434/
Summaries are generated and may contain mistakes; the official description above is the record.