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Vulnerability Details :

CVE-2021-43327

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-02 Dec, 2021 | 20:00

Updated At-04 Aug, 2024 | 03:55

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.

EPSS History

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N/A

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▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:mitre

Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At:02 Dec, 2021 | 20:00

Updated At:04 Aug, 2024 | 03:55

▼CVE Numbering Authority (CNA)

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

Vendor

n/a

Product

n/a

Versions

Affected

Problem Types

Type	CWE ID	Description
text	N/A	n/a

Type: text

CWE ID: N/A

Description: n/a

References

Hyperlink	Resource
https://www.collshade.fr/articles/reneshack/rx_glitch_article.html	x_refsource_MISC

Hyperlink: https://www.collshade.fr/articles/reneshack/rx_glitch_article.html

Resource:

x_refsource_MISC

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://www.collshade.fr/articles/reneshack/rx_glitch_article.html	x_refsource_MISC x_transferred

Hyperlink: https://www.collshade.fr/articles/reneshack/rx_glitch_article.html

Resource:

x_refsource_MISC

x_transferred

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:cve@mitre.org

Published At:02 Dec, 2021 | 20:15

Updated At:08 Aug, 2023 | 14:22

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	4.6	MEDIUM	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary	2.0	2.1	LOW	AV:L/AC:L/Au:N/C:P/I:N/A:N

Type: Primary

Version: 3.1

Base score: 4.6

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Type: Primary

Version: 2.0

Base score: 2.1

Base severity: LOW

Vector:

AV:L/AC:L/Au:N/C:P/I:N/A:N

CPE Matches

renesas>>rx65n_firmware>>-

cpe:2.3:o:renesas:rx65n_firmware:-:*:*:*:*:*:*:*

renesas>>rx65n>>-

cpe:2.3:h:renesas:rx65n:-:*:*:*:*:*:*:*

renesas>>rx65_firmware>>-

cpe:2.3:o:renesas:rx65_firmware:-:*:*:*:*:*:*:*

renesas>>rx65>>-

cpe:2.3:h:renesas:rx65:-:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
NVD-CWE-noinfo	Primary	nvd@nist.gov

CWE ID: NVD-CWE-noinfo

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
https://www.collshade.fr/articles/reneshack/rx_glitch_article.html	cve@mitre.org	Exploit Third Party Advisory

Hyperlink: https://www.collshade.fr/articles/reneshack/rx_glitch_article.html

Source: cve@mitre.org

Resource:

Exploit

Third Party Advisory

CVE-2021-43327

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Similar CVEs