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CVE-2021-43327
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- Low
- Base Score
- 2.1/10
- Exploit Score
- 3.9/10
- Access Vector
- Local
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 2.9/10
- Confidentiality Impact
- Partial
- Availability Impact
- None
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 4.6/10
- Exploit Score
- 0.9/10
- Access Vector
- Physical
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 3.6/10
- Confidentiality Impact
- High
- Availability Impact
- None
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- None
Products Affected
| CPE | Affected | Vulnerable | Excluding | Edit |
|---|---|---|---|---|
| cpe:2.3:o:renesas:rx65n_firmware:-:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:renesas:rx65n:-:*:*:*:*:*:*:* |
No
|
- | ||
| cpe:2.3:o:renesas:rx65_firmware:-:*:*:*:*:*:*:* |
Yes
|
- | ||
| cpe:2.3:h:renesas:rx65:-:*:*:*:*:*:*:* |
No
|
- |