How severe is CVE-2018-3659?

CVE-2018-3659 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-3659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3659?

CVE-2018-3659 primarily affects Intel Converged Security Management Engine Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-3659?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-3659 published?

CVE-2018-3659 was published on 2018-09-12 and last updated on 2026-06-17.

CVE-2018-3659

CVE-2018-3659 is a medium-severity vulnerability in Intel Converged Security Management Engine Firmware with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Converged Security Management Engine Firmware
Published: 2018-09-12
Last modified: 2026-06-17

Description

A vulnerability in Intel PTT module in Intel CSME firmware before version 12.0.5 and Intel TXE firmware before version 4.0 may allow an unauthenticated user to potentially disclose information via physical access.

Frequently asked questions

What is CVE-2018-3659?: A vulnerability in Intel PTT module in Intel CSME firmware before version 12.0.5 and Intel TXE firmware before version 4.0 may allow an unauthenticated user to potentially disclose information via physical access.
How severe is CVE-2018-3659?: CVE-2018-3659 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-3659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3659?: CVE-2018-3659 primarily affects Intel Converged Security Management Engine Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-3659?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-3659 published?: CVE-2018-3659 was published on 2018-09-12 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:trusted_execution_engine_firmware:*:*:*:*:*:*:*:*

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