How severe is CVE-2020-0538?

CVE-2020-0538 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-0538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0538?

CVE-2020-0538 affects Intel Active Management Technology Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-0538?

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-2020-0538 published?

CVE-2020-0538 was published on 2020-06-15 and last updated on 2026-06-17.

CVE-2020-0538

CVE-2020-0538 is a high-severity vulnerability in Intel Active Management Technology Firmware with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Intel Active Management Technology Firmware
Published: 2020-06-15
Last modified: 2026-06-17

Description

Improper input validation in subsystem for Intel(R) AMT versions before 11.8.77, 11.12.77, 11.22.77 and 12.0.64 may allow an unauthenticated user to potentially enable denial of service via network access.

Frequently asked questions

What is CVE-2020-0538?: Improper input validation in subsystem for Intel(R) AMT versions before 11.8.77, 11.12.77, 11.22.77 and 12.0.64 may allow an unauthenticated user to potentially enable denial of service via network access.
How severe is CVE-2020-0538?: CVE-2020-0538 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-0538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0538?: CVE-2020-0538 affects Intel Active Management Technology Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-0538?: 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-2020-0538 published?: CVE-2020-0538 was published on 2020-06-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:*

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