VulnerabilityModified
CVE-2021-43327
With a VCC glitch, an attacker can extract the security ID key from the device.
MEDIUM 4.6EPSS 0.33%
Does this matter?
Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 4.6 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Affected
- renesas/rx65n firmware · renesas/rx65 firmware
- Source
- cve@mitre.org
References
- https://www.collshade.fr/articles/reneshack/rx_glitch_article.htmlExploit, Third Party Advisory
- https://www.collshade.fr/articles/reneshack/rx_glitch_article.htmlExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.