CVE-2019-1878: Cisco TelePresence Endpoint Command Shell Injection Vulnerability

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-06-20 · updated 2026-06-17
Weakness: CWE-78

Description

A vulnerability in the Cisco Discovery Protocol (CDP) implementation for the Cisco TelePresence Codec (TC) and Collaboration Endpoint (CE) Software could allow an unauthenticated, adjacent attacker to inject arbitrary shell commands that are executed by the device. The vulnerability is due to insufficient input validation of received CDP packets. An attacker could exploit this vulnerability by sending crafted CDP packets to an affected device. A successful exploit could allow the attacker to execute arbitrary shell commands or scripts on the targeted device.

Affected products

Cisco Telepresence Ce: from 8.0.0 before 8.3.7; from 9.1.0 before 9.5.3; from 9.6.0 before 9.6.3 — fixed in 8.3.7, 9.5.3, 9.6.3
Cisco Telepresence Tc: from 7.0.0 before 7.3.17 — fixed in 7.3.17

How to fix

Upgrade to a fixed version: Cisco Telepresence Ce 8.3.7, 9.5.3, 9.6.3; Cisco Telepresence Tc 7.3.17. Check the vendor advisory for mitigations.

References

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