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MitreCVE-2020-28656

HistoryNov 16, 2020 - 4:15 a.m.

CVE-2020-28656

2020-11-1604:15:12

CWE-354

mitre

web.nvd.nist.gov

cve-2020-28656

volkswagen polo

infotainment system

arbitrary code execution

nvd

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

Confidence

High

EPSS

0.001

Percentile

44.0%

JSON

The update functionality of the Discover Media infotainment system in Volkswagen Polo 2019 vehicles allows physically proximate attackers to execute arbitrary code because some unsigned parts of a metainfo file are parsed, which can cause attacker-controlled files to be written to the infotainment system and executed as root.

Affected configurations

Nvd

Node

vwpolo_firmwareMatch2019

AND

vwpoloMatch-

VendorProductVersionCPE
vwpolo_firmware2019cpe:2.3:o:vw:polo_firmware:2019:*:*:*:*:*:*:*
vwpolo-cpe:2.3:h:vw:polo:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
vw	polo_firmware	2019	cpe:2.3:o:vw:polo_firmware:2019:::::::*
vw	polo	-	cpe:2.3:h:vw:polo:-:::::::*

References

www.contextis.com/en/blog/a-code-signing-bypass-for-the-vw-polo

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

Confidence

High

EPSS

0.001

Percentile

44.0%

JSON

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