CVE-2021-33478

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Summary

CVECVE-2021-33478
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-07-22 17:15:00 UTC
Updated2021-08-02 15:38:00 UTC
DescriptionThe 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.

Risk And Classification

Problem Types: CWE-119

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ip Phone 8800 Firmware All All All All
Operating System Cisco Ip Phone 8800 Series With Multiplatform Firmware All All All All
Operating System Cisco Ip Phone 8811 Firmware All All All All
Operating System Cisco Ip Phone 8811 With Multiplatform Firmware All All All All
Operating System Cisco Ip Phone 8841 Firmware All All All All
Operating System Cisco Ip Phone 8841 With Multiplatform Firmware All All All All
Operating System Cisco Ip Phone 8845 Firmware All All All All
Operating System Cisco Ip Phone 8845 With Multiplatform Firmware All All All All
Operating System Cisco Ip Phone 8851 Firmware All All All All
Operating System Cisco Ip Phone 8851 With Multiplatform Firmware All All All All
Operating System Cisco Ip Phone 8861 Firmware All All All All
Operating System Cisco Ip Phone 8861 With Multiplatform Firmware All All All All
Operating System Cisco Ip Phone 8865 Firmware All All All All
Operating System Cisco Ip Phone 8865 With Multiplatform Firmware All All All All
Operating System Cisco Wireless Ip Phone 8821 Firmware All All All All

References

ReferenceSourceLinkTags
Broadcom MediaxChange Vulnerability Affecting Cisco Products: July 2021 MISC tools.cisco.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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