What is the CVSS score of CVE-2019-11090?

CVE-2019-11090 has a CVSS 3.1 base score of 5.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 2.3%.

Platform Trust Technology Firmware CVE-2019-11090

MEDIUM

Race Condition (CWE-362)

2019-12-18 secure@intel.com

Race Condition Intel Information Disclosure Platform Trust Technology Firmware Server Platform Services Firmware Trusted Execution Engine Firmware

5.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.9 MEDIUM

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Dec 18, 2019 - 22:15 nvd

MEDIUM 5.9

DescriptionNVD

Cryptographic timing conditions in the subsystem for Intel(R) PTT before versions 11.8.70, 11.11.70, 11.22.70, 12.0.45, 13.0.0 and 14.0.10; Intel(R) TXE 3.1.70 and 4.0.20; Intel(R) SPS before versions SPS_E5_04.01.04.305.0, SPS_SoC-X_04.00.04.108.0, SPS_SoC-A_04.00.04.191.0, SPS_E3_04.01.04.086.0, SPS_E3_04.08.04.047.0 may allow an unauthenticated user to potentially enable information disclosure via network access.

AnalysisAI

Cryptographic timing conditions in the subsystem for Intel(R) PTT before versions 11.8.70, 11.11.70, 11.22.70, 12.0.45, 13.0.0 and 14.0.10; Intel(R) TXE 3.1.70 and 4.0.20; Intel(R) SPS before. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-362. Cryptographic timing conditions in the subsystem for Intel(R) PTT before versions 11.8.70, 11.11.70, 11.22.70, 12.0.45, 13.0.0 and 14.0.10; Intel(R) TXE 3.1.70 and 4.0.20; Intel(R) SPS before versions SPS_E5_04.01.04.305.0, SPS_SoC-X_04.00.04.108.0, SPS_SoC-A_04.00.04.191.0, SPS_E3_04.01.04.086.0, SPS_E3_04.08.04.047.0 may allow an unauthenticated user to potentially enable information disclosure via network access. Affected products include: Intel Platform Trust Technology Firmware, Intel Server Platform Services Firmware, Intel Trusted Execution Engine Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.