What’s Vulnerable › Vulnerabilities

CVE-2020-12355

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-12 · updated 2026-06-17
• Weakness: CWE-294

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.

Affected products

• Intel Trusted Execution Engine: before 4.0.30 — fixed in 4.0.30

How to fix

Upgrade to a fixed version: Intel Trusted Execution Engine 4.0.30. Check the vendor advisory for mitigations.

References

• https://security.netapp.com/advisory/ntap-20201113-0005/
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391
• https://security.netapp.com/advisory/ntap-20201113-0005/
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391
• https://www.kb.cert.org/vuls/id/231329

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