# CVE-2019-15967: Cisco TelePresence Collaboration Endpoint and RoomOS Audio Eavesdropping Vulnerability

> An authenticated local attacker can bypass security controls to enable audio recording without user notification on Cisco TelePresence devices.

- **Severity:** Medium 4.4 (`CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Nov 2019
- **Updated:** 21 Nov 2024
- **Also known as:** GHSA-c6pw-c5gr-43f6

## What is CVE-2019-15967?

CVE-2019-15967 is a medium-severity vulnerability in Cisco TelePresence TC Software, published on 26 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability in the CLI of Cisco TelePresence Collaboration Endpoint (CE) and Cisco RoomOS Software could allow an authenticated, local attacker to enable audio recording without notifying users. The vulnerability is due to the presence of unnecessary debug commands. An attacker could exploit this vulnerability by gaining unrestricted access to the restricted shell and using the specific debug commands. A successful exploit could allow the attacker to enable the microphone of an affected device to record audio without notifying users.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2019-15967?

It affects 2 products.


Products: Cisco Roomos, Cisco Telepresence Collaboration Endpoint.

## How do I fix CVE-2019-15967?

No fix has been published for CVE-2019-15967 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-15967 being exploited?

There is no known exploitation of CVE-2019-15967 in the wild and no public exploit code.

## Other vulnerabilities in Cisco TelePresence TC Software

- [CVE-2026-20150](https://insights.sbomify.com/CVE-2026-20150/): Cisco RoomOS Security Hardening Release - Access Control Vulnerabilities (high 8.8)
- [CVE-2019-15288](https://insights.sbomify.com/CVE-2019-15288/): Cisco TelePresence Collaboration Endpoint, TelePresence Codec, and RoomOS Software Privilege Escalation Vulnerability (high 8.8)
- [CVE-2026-20156](https://insights.sbomify.com/CVE-2026-20156/): Cisco RoomOS Security Hardening Release - Buffer Management Vulnerabilities (high 8.1)
- [CVE-2026-20153](https://insights.sbomify.com/CVE-2026-20153/): Cisco RoomOS Security Hardening Release - Input Validation Vulnerabilities (high 7.5)
- [CVE-2026-20157](https://insights.sbomify.com/CVE-2026-20157/): Cisco RoomOS Security Hardening Release - Missing Encryption Vulnerabilities (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-15967 and fix it if it is affected.

What it is: CVE-2019-15967 is a medium-severity vulnerability in Cisco TelePresence TC Software, published on 26 Nov 2019. 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-2019-15967 in the wild and no public exploit code.

Affected product: Cisco TelePresence TC Software. 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-2019-15967/ (Markdown: https://insights.sbomify.com/CVE-2019-15967/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-15967
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-15967
- OSV: https://osv.dev/vulnerability/CVE-2019-15967

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-15967/
Summaries are generated and may contain mistakes; the official description above is the record.