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

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-11-26 · updated 2026-06-17
Weakness: CWE-284

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.

Affected products

Cisco Roomos: before 2019-09-drop1 — fixed in 2019-09-drop1
Cisco TelePresence Endpoint Software (TC/CE): before 9.8.1 — fixed in 9.8.1

How to fix

Upgrade to a fixed version: Cisco Roomos 2019-09-drop1; Cisco TelePresence Endpoint Software (TC/CE) 9.8.1. Check the vendor advisory for mitigations.

References

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