Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-33478

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.4%
CVSS Severity
CVSS v3 Score 6.8
CVSS v2 Score 4.6
Products affected by CVE-2021-33478


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