The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted Execution Environment (TEE) of an affected device. This, for example, affects certain Cisco IP Phone and Wireless IP Phone products before 2021-07-07. Exploitation is possible only when the attacker can disassemble the device in order to control the voltage/current for chip pins.

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-20181 The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted Execution Environment (TEE) of an affected device. This, for example, affects certain Cisco IP Phone and Wireless IP Phone products before 2021-07-07. Exploitation is possible only when the attacker can disassemble the device in order to control the voltage/current for chip pins.
Fixes

Solution

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T23:50:42.938Z

Reserved: 2021-05-20T00:00:00

Link: CVE-2021-33478

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-07-22T17:15:09.510

Modified: 2024-11-21T06:08:54.437

Link: CVE-2021-33478

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses