Vulnerability identifier: #VU57423

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-42299

CWE-ID: CWE-254

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Microsoft Surface
Hardware solutions / Firmware

Vendor: Microsoft

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists in the Platform Configuration Registers (PCRs) implementation. An attacker with physical access to device can can bypass implemented security restrictions.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Microsoft Surface: Pro 3

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42299

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.