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MitreCVE-2021-32015

HistoryJun 08, 2021 - 5:15 p.m.

CVE-2021-32015

2021-06-0817:15:07

CWE-862

mitre

web.nvd.nist.gov

nuvoton

npct75x

tpm 1.2

firmware

7.4.0.0

vulnerability

unauthorized access

nvd

npct75x tpm 1.2 firmware update

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

5.8

Confidence

High

EPSS

Percentile

5.1%

JSON

In Nuvoton NPCT75x TPM 1.2 firmware 7.4.0.0, a local authenticated malicious user with high privileges could potentially gain unauthorized access to TPM non-volatile memory. NOTE: Upgrading to firmware version 7.4.0.1 will mitigate against the vulnerability, but version 7.4.0.1 is not TCG or Common Criteria (CC) certified. Nuvoton recommends that users apply the NPCT75x TPM 1.2 firmware update.

Affected configurations

Nvd

Node

nuvotonnpct75x_firmwareMatch7.4.0.0

AND

nuvotonnpct75xMatch1.2

VendorProductVersionCPE
nuvotonnpct75x_firmware7.4.0.0cpe:2.3:o:nuvoton:npct75x_firmware:7.4.0.0:*:*:*:*:*:*:*
nuvotonnpct75x1.2cpe:2.3:h:nuvoton:npct75x:1.2:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nuvoton	npct75x_firmware	7.4.0.0	cpe:2.3:o:nuvoton:npct75x_firmware:7.4.0.0:::::::*
nuvoton	npct75x	1.2	cpe:2.3:h:nuvoton:npct75x:1.2:::::::*

References

www.nuvoton.com/support/product-related-information/security-advisories/sa-001/

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

5.8

Confidence

High

EPSS

Percentile

5.1%

JSON

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