Vulnerability Details : 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.
Products affected by CVE-2021-43327
- cpe:2.3:o:renesas:rx65n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:renesas:rx65_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43327
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43327
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
4.6
|
MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
0.9
|
3.6
|
NIST |
CWE ids for CVE-2021-43327
-
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-43327
-
https://www.collshade.fr/articles/reneshack/rx_glitch_article.html
Renes'hackExploit;Third Party Advisory
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