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CVE-2020-12355

MEDIUMCVSS 6.8/10EPSS 0.40%

Last modified

CVE-2020-12355 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Authentication bypass by capture-replay in RPMB protocol message authentication subsystem in Intel(R) TXE versions before 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

Authentication bypass by capture-replay in RPMB protocol message authentication subsystem in Intel(R) TXE versions before 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

Metrics

CVSS 3.1
6.8/10

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

EPSS Probability
0.40%

31.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IntelTrusted Execution Engine< 4.0.30

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-12355?
Authentication bypass by capture-replay in RPMB protocol message authentication subsystem in Intel(R) TXE versions before 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.
How severe is CVE-2020-12355?
CVE-2020-12355 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2020-12355?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12355?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST