CVE-2021-43327: Medium severity renesas rx65 firmware vulnerability
Published Dec 2, 2021
·Updated
An issue was discovered on Renesas RX65 and RX65N devices. With a VCC glitch, an attacker can extract the security ID key from the device. Then, the protected firmware can be extracted.
Affected Software
8 affected components
All of the following
Renesas Rx65n Firmware
Renesas RX65N
All of the following
Renesas Rx65 Firmware
Renesas RX65
Renesas Rx65n Firmware
Renesas RX65N
Renesas Rx65 Firmware
Renesas RX65
Event History
Dec 2, 2021
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description
Data Sourced
via NVD·08:15 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-43327?
CVE-2021-43327 is considered a high severity vulnerability due to the risk of security ID key extraction.
2
How does CVE-2021-43327 allow an attacker to gain access?
CVE-2021-43327 allows attackers to exploit a VCC glitch to extract the security ID key from affected devices.
3
What devices are affected by CVE-2021-43327?
CVE-2021-43327 affects Renesas RX65 and RX65N devices.
4
How can I mitigate CVE-2021-43327 in my firmware?
To mitigate CVE-2021-43327, ensure that device firmware is updated to the latest version that addresses this vulnerability.
5
What are the consequences of CVE-2021-43327 for embedded systems?
The consequences of CVE-2021-43327 include potential unauthorized extraction of protected firmware, risking the integrity of embedded systems.