PT-2020-4742
CVE-2020-12355
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Published
2020-11-10
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Updated
2025-11-04
Description by
CVSS 3.1
6.8
MediumMetricsAV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions:
Intel TXE versions prior to 4.0.30
Description:
The issue is related to insufficient authentication in the RPMB protocol message authentication subsystem of Intel Trusted Execution Engine (TXE) firmware. It may allow an attacker to bypass authentication through capture-replay, potentially enabling privilege escalation via physical access.
Recommendations:
For Intel TXE versions prior to 4.0.30, update to version 4.0.30 or later to resolve the issue.
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