CVE-2020-28656 — MEDIUM (6.8)

Vulnerability Description

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.

CVSS Score

6.8

MEDIUM

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

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Vw	Polo Firmware	2019
Vw	Polo	-

Related Weaknesses (CWE)

CWE-354

References

https://www.contextis.com/en/blog/a-code-signing-bypass-for-the-vw-poloExploitThird Party Advisory
https://www.contextis.com/en/blog/a-code-signing-bypass-for-the-vw-poloExploitThird Party Advisory

FAQ

What is CVE-2020-28656?

CVE-2020-28656 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 met...

How severe is CVE-2020-28656?

CVE-2020-28656 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-28656?

Check the references section above for vendor advisories and patch information. Affected products include: Vw Polo Firmware, Vw Polo.