# CVE-2019-6665: Other in BIG-IP ASM

> An attacker can intercept traffic between BIG-IP ASM and management systems by setting up a proxy, compromising data confidentiality and security controls.

- **Severity:** Critical 9.4 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Nov 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-hfjc-qvjw-4cxm

## What is CVE-2019-6665?

CVE-2019-6665 is a critical vulnerability in F5 Big-Ip Application Security Manager, published on 27 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

On BIG-IP ASM 15.0.0-15.0.1, 14.1.0-14.1.2, 14.0.0-14.0.1, and 13.1.0-13.1.3.1, BIG-IQ 6.0.0 and 5.2.0-5.4.0, iWorkflow 2.3.0, and Enterprise Manager 3.1.1, an attacker with access to the device communication between the BIG-IP ASM Central Policy Builder and the BIG-IQ/Enterprise Manager/F5 iWorkflow will be able to set up the proxy the same way and intercept the traffic.

## Which versions are affected by CVE-2019-6665?

It affects 4 products.


Products: F5 Big-Ip Application Security Manager, F5 Big-Iq Centralized Management, F5 Enterprise Manager, F5 Iworkflow.

## How do I fix CVE-2019-6665?

No fix has been published for CVE-2019-6665 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-6665 being exploited?

There is no known exploitation of CVE-2019-6665 in the wild and no public exploit code.

## Other vulnerabilities in F5 Big-Ip Application Security Manager

- [CVE-2019-6650](https://insights.sbomify.com/CVE-2019-6650/): Information disclosure in BIG-IP ASM (critical 9.1)
- [CVE-2025-24326](https://insights.sbomify.com/CVE-2025-24326/): BIG-IP Advanced WAF/ASM BADoS vulnerability (high 8.9)
- [CVE-2025-55669](https://insights.sbomify.com/CVE-2025-55669/): BIG-IP HTTP/2 vulnerability (high 8.7)
- [CVE-2009-4420](https://insights.sbomify.com/CVE-2009-4420/): Memory corruption in n/a (high 7.8)
- [CVE-2021-23010](https://insights.sbomify.com/CVE-2021-23010/): Denial of service in BIG-IP ASM/Advanced WAF (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-6665 and fix it if it is affected.

What it is: CVE-2019-6665 is a critical vulnerability in F5 Big-Ip Application Security Manager, published on 27 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-6665 in the wild and no public exploit code.

Affected product: F5 Big-Ip Application Security Manager. 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-2019-6665/ (Markdown: https://insights.sbomify.com/CVE-2019-6665/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-6665
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-6665
- OSV: https://osv.dev/vulnerability/CVE-2019-6665

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-6665/
Summaries are generated and may contain mistakes; the official description above is the record.