Vulnerability · Published Dec 2, 2021 · Assigned by mitre
CVE-2021-43327
Medium 4.6
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS NVD)4.6Medium
Exploit odds (30 days)0.3%top 72.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
References
- https://www.collshade.fr/articles/reneshack/rx_glitch_article.html x_refsource_MISC