# CVE-2019-6599: Cross-site scripting in BIG-IP APM; Enterprise Manager

> Remote attackers can inject malicious scripts into the BIG-IP configuration utility, potentially leading to code execution or account takeover.

- **Severity:** Medium 6.1 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Mar 2019
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-vgpx-g9qx-rj9h

## What is CVE-2019-6599?

CVE-2019-6599 is a medium-severity cross-site scripting vulnerability in F5 Big-Ip Access Policy Manager, published on 13 Mar 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

In BIG-IP 11.6.1-11.6.3.2 or 11.5.1-11.5.8, or Enterprise Manager 3.1.1, improper escaping of values in an undisclosed page of the configuration utility may result with an improper handling on the JSON response when it is injected by a malicious script via a remote cross-site scripting (XSS) attack.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2019-6599?

It affects 1 product.


Products: F5 Big-Ip Access Policy Manager.

## How do I fix CVE-2019-6599?

No fix has been published for CVE-2019-6599 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-6599 being exploited?

There is no known exploitation of CVE-2019-6599 in the wild and no public exploit code.

## Other vulnerabilities in F5 Big-Ip Access Policy Manager

- [CVE-2023-46747](https://insights.sbomify.com/CVE-2023-46747/): F5 BIG-IP Configuration Utility Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2022-1388](https://insights.sbomify.com/CVE-2022-1388/): F5 BIG-IP Missing Authentication (critical 9.8, exploited in the wild)
- [CVE-2021-22986](https://insights.sbomify.com/CVE-2021-22986/): F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2021-22991](https://insights.sbomify.com/CVE-2021-22991/): F5 BIG-IP Traffic Management Microkernel Buffer Overflow (critical 9.8, exploited in the wild)
- [CVE-2020-5902](https://insights.sbomify.com/CVE-2020-5902/): F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution (critical 9.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-6599 and fix it if it is affected.

What it is: CVE-2019-6599 is a medium-severity cross-site scripting vulnerability in F5 Big-Ip Access Policy Manager, published on 13 Mar 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2019-6599 in the wild and no public exploit code.

Affected product: F5 Big-Ip Access Policy 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-2019-6599/ (Markdown: https://insights.sbomify.com/CVE-2019-6599/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-6599
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-6599
- OSV: https://osv.dev/vulnerability/CVE-2019-6599

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-6599/
Summaries are generated and may contain mistakes; the official description above is the record.