CVE-2021-34758: Cisco Roomos

Low severity, CVSS 3.3. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability in the memory management of Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an authenticated, local attacker to corrupt a shared memory segment, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient access controls to a shared memory resource. An attacker could exploit this vulnerability by corrupting a shared memory segment on an affected device. A successful exploit could allow the attacker to cause the device to reload. The device will recover from the corruption upon reboot.

Affected products

• Cisco Roomos: before 10.7.1.2 (fixed in 10.7.1.2)
• Cisco Telepresence Collaboration Endpoint: before 10.7.2 (fixed in 10.7.2)

Published 2021-10-06. Last modified 2026-06-17.