# CVE-2019-15999: Cisco Data Center Network Manager JBoss EAP Unauthorized Access Vulnerability

> An authenticated attacker can bypass restrictions to access the JBoss EAP environment in Cisco DCNM, gaining unauthorized privileges.

- **Severity:** Medium 5.4 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Jan 2020
- **Updated:** 15 Nov 2024
- **Also known as:** GHSA-qq28-cqj6-ghfh

## What is CVE-2019-15999?

CVE-2019-15999 is a medium-severity authentication bypass vulnerability in Cisco Data Center Network Manager, published on 6 Jan 2020. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability in the application environment of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to gain unauthorized access to the JBoss Enterprise Application Platform (JBoss EAP) on an affected device. The vulnerability is due to an incorrect configuration of the authentication settings on the JBoss EAP. An attacker could exploit this vulnerability by authenticating with a specific low-privilege account. A successful exploit could allow the attacker to gain unauthorized access to the JBoss EAP, which should be limited to internal system accounts.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2019-15999?

It affects 1 product.


Products: Cisco Data Center Network Manager.

## How do I fix CVE-2019-15999?

No fix has been published for CVE-2019-15999 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-15999 being exploited?

There is no known exploitation of CVE-2019-15999 in the wild and no public exploit code.

Public exploit code:

- Cisco DCNM JBoss 10.4 - Credential Leakage (exploitdb)

## Other vulnerabilities in Cisco Data Center Network Manager

- [CVE-2020-3382](https://insights.sbomify.com/CVE-2020-3382/): Cisco Data Center Network Manager Authentication Bypass Vulnerability (critical 9.8)
- [CVE-2019-15975](https://insights.sbomify.com/CVE-2019-15975/): Cisco Data Center Network Manager Authentication Bypass Vulnerabilities (critical 9.8)
- [CVE-2019-15976](https://insights.sbomify.com/CVE-2019-15976/): Cisco Data Center Network Manager Authentication Bypass Vulnerabilities (critical 9.8)
- [CVE-2019-15977](https://insights.sbomify.com/CVE-2019-15977/): Cisco Data Center Network Manager Authentication Bypass Vulnerabilities (critical 9.8)
- [CVE-2019-1619](https://insights.sbomify.com/CVE-2019-1619/): Cisco Data Center Network Manager Authentication Bypass Vulnerability (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-15999 and fix it if it is affected.

What it is: CVE-2019-15999 is a medium-severity authentication bypass vulnerability in Cisco Data Center Network Manager, published on 6 Jan 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-15999 in the wild and no public exploit code.

Affected product: Cisco Data Center Network 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-2019-15999/ (Markdown: https://insights.sbomify.com/CVE-2019-15999/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-15999
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-15999
- OSV: https://osv.dev/vulnerability/CVE-2019-15999

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-15999/
Summaries are generated and may contain mistakes; the official description above is the record.