VCC Glitch Vulnerability in Renesas RX65 and RX65N Devices
CVE-2021-43327

4.6MEDIUM

Key Information:

Vendor

Renesas

Status
Rx65n Firmware
Vendor
CVE Published:
2 December 2021

What is CVE-2021-43327?

A VCC glitch vulnerability has been identified in Renesas RX65 and RX65N devices. This flaw enables an attacker to induce a power glitch, allowing them to extract sensitive security ID keys from the device. With these keys, the attacker can also access and extract protected firmware, jeopardizing the integrity and confidentiality of the device's software. Manufacturers and users of these devices should implement appropriate countermeasures to safeguard against potential exploitation.

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References

https://www.collshade.fr/articles/reneshack/rx_glitch_art...
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CVSS V3.1

Score:
4.6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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