CVE-2021-43327 Information disclosure in n/a

Medium 4.6 Published Updated

Attackers can extract security keys and protected firmware from Renesas RX65 devices using voltage glitching, compromising intellectual property and device security.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-43327?

CVE-2021-43327 is a medium-severity vulnerability in n/a, published on 2 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Which versions are affected by CVE-2021-43327?

It affects 2 products.

Products include Renesas Rx65 Firmware, Renesas Rx65n Firmware.

How do I fix CVE-2021-43327?

No fix has been published for CVE-2021-43327 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-43327 being exploited?

There is no known exploitation of CVE-2021-43327 in the wild and no public exploit code.

Sources

Also known as GHSA-g528-27f5-rgqv.

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