What is CVE-2021-43327?

CVE-2021-43327 is a medium-severity vulnerability in Renesas Rx65. CVSS score: 4.6/10. Published 2021-12-02.

How severe is CVE-2021-43327?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Renesas Rx65

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.

EPSS: 0.003 (25.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Renesas Rx65
Renesas Rx65_firmware
Renesas Rx65n
Renesas Rx65n_firmware
N/a — versions n/a

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43327?: CVE-2021-43327 is a medium-severity vulnerability in Renesas Rx65. CVSS score: 4.6/10. Published 2021-12-02.
How severe is CVE-2021-43327?: Medium severity. CVSS v3 base score is 4.6 out of 10.