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.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-07-22T16:53:32

Updated: 2021-07-22T16:53:32

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


Link: CVE-2021-33478

JSON object: View

cve-icon NVD Information

Status : Analyzed

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

Modified: 2021-08-02T15:38:07.013


Link: CVE-2021-33478

JSON object: View

cve-icon Redhat Information

No data.

CWE