CVE-2021-43327

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.

CVSS v3 4.6 MEDIUM
CVSS v2.0 2.1 LOW

4.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 3.6

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.collshade.fr/articles/reneshack/rx_glitch_article.html	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:renesas:rx65n_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:renesas:rx65n:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:renesas:rx65_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:renesas:rx65:-:*:*:*:*:*:*:*

History

08 Aug 2023, 14:22

Type	Values Removed	Values Added
CWE	~~CWE-522~~	NVD-CWE-noinfo

Information

Published : 2021-12-02 20:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-43327

Mitre link : CVE-2021-43327

CVE.ORG link : CVE-2021-43327

JSON object : View

Products Affected

renesas

rx65
rx65_firmware
rx65n
rx65n_firmware

CWE

NVD-CWE-noinfo

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