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nvd[email protected]NVD:CVE-2020-13472
HistoryAug 31, 2020 - 4:15 p.m.

CVE-2020-13472

2020-08-3116:15:14
CWE-668
web.nvd.nist.gov
1
gigadevice gd32f103
flash memory
readout protection
vulnerability
dma module
firmware extraction
physical attack

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

4.6

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

4.6

Confidence

High

EPSS

0.001

Percentile

33.8%

The flash memory readout protection in Gigadevice GD32F103 devices allows physical attackers to extract firmware via the debug interface by utilizing the DMA module.

Affected configurations

Nvd
Node
gigadevicegd32f103_firmwareMatch-
AND
gigadevicegd32f103Match-
VendorProductVersionCPE
gigadevicegd32f103_firmware-cpe:2.3:o:gigadevice:gd32f103_firmware:-:*:*:*:*:*:*:*
gigadevicegd32f103-cpe:2.3:h:gigadevice:gd32f103:-:*:*:*:*:*:*:*

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

4.6

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

4.6

Confidence

High

EPSS

0.001

Percentile

33.8%

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