What’s Vulnerable › Vulnerabilities

CVE-2020-28656

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-16 · updated 2026-06-17
• Weakness: CWE-354

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.

Affected products

• Vw Polo Firmware: 2019

References

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

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