CVE-2021-34758 - CVE House
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Status published Medium CVE-2021-34758

Cisco TelePresence Collaboration Endpoint and RoomOS Software Denial of Service Vulnerability

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Cisco RoomOS Software
Vulnerable Versions:
Unknown

Timeline

Official Publish: October 6th, 2021
Last Modified: November 7th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Weaknesses (CWE)

CWE-732

MITRE ATT&CK TTPs

T1222 File and Directory Permissions Modification
Defense Evasion
T1574 Hijack Execution Flow
Privilege Escalation
T1005 Data from Local System
Collection
T1078 Valid Accounts
Persistence
T1562 Impair Defenses
Defense Evasion