How severe is CVE-2018-3652?

CVE-2018-3652 has a CVSS 3.x base score of 7.6, rated high 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-2018-3652 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3652?

CVE-2018-3652 primarily affects Intel Xeon E3. In total, 164 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-3652?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-3652 published?

CVE-2018-3652 was published on 2018-07-10 and last updated on 2026-06-17.

CVE-2018-3652

CVE-2018-3652 is a high-severity vulnerability in Intel Xeon E3 with a CVSS 3.x base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 7.6)
CVSS v2: 4.6
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Intel Xeon E3
Published: 2018-07-10
Last modified: 2026-06-17

Description

Existing UEFI setting restrictions for DCI (Direct Connect Interface) in 5th and 6th generation Intel Xeon Processor E3 Family, Intel Xeon Scalable processors, and Intel Xeon Processor D Family allows a limited physical presence attacker to potentially access platform secrets via debug interfaces.

Frequently asked questions

What is CVE-2018-3652?: Existing UEFI setting restrictions for DCI (Direct Connect Interface) in 5th and 6th generation Intel Xeon Processor E3 Family, Intel Xeon Scalable processors, and Intel Xeon Processor D Family allows a limited physical presence attacker to potentially access platform secrets via debug interfaces.
How severe is CVE-2018-3652?: CVE-2018-3652 has a CVSS 3.x base score of 7.6, rated high 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-2018-3652 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3652?: CVE-2018-3652 primarily affects Intel Xeon E3. In total, 164 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-3652?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-3652 published?: CVE-2018-3652 was published on 2018-07-10 and last updated on 2026-06-17.

References

Affected products (164)

cpe:2.3:h:intel:xeon_e3:1505m_v6:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3:1515m_v5:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3:1535m_v5:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3:1535m_v6:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3:1545m_v5:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3:1558l_v5:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3:1565l_v5:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3:1575m_v5:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3:1578l_v5:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3:1585_v5:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3:1585l_v5:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1220_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1220_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1225_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1225_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1230_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1230_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1235l_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1240_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1240_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1240l_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1245_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1245_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1260l_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1268l_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1270_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1270_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1275_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1275_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1280_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1280_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1285_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1501l_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1501m_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1505l_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1505l_v6:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_e3_1505m_v5:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_bronze_3104:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_bronze_3106:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_gold:5115:*:*:*:*:*:*:*

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