How severe is CVE-2020-0534?

CVE-2020-0534 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-2020-0534 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0534?

CVE-2020-0534 primarily affects Intel Converged Security Management Engine Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-0534?

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-2020-0534 published?

CVE-2020-0534 was published on 2020-06-15 and last updated on 2026-06-17.

CVE-2020-0534

CVE-2020-0534 is a high-severity vulnerability in Intel Converged Security Management Engine 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% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Intel Converged Security Management Engine Firmware
Published: 2020-06-15
Last modified: 2026-06-17

Description

Improper input validation in the DAL subsystem for Intel(R) CSME versions before 12.0.64, 13.0.32, 14.0.33 and 14.5.12 may allow an unauthenticated user to potentially enable denial of service via network access.

Frequently asked questions

What is CVE-2020-0534?: Improper input validation in the DAL subsystem for Intel(R) CSME versions before 12.0.64, 13.0.32, 14.0.33 and 14.5.12 may allow an unauthenticated user to potentially enable denial of service via network access.
How severe is CVE-2020-0534?: CVE-2020-0534 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-2020-0534 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0534?: CVE-2020-0534 primarily affects Intel Converged Security Management Engine Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-0534?: 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-2020-0534 published?: CVE-2020-0534 was published on 2020-06-15 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:undefined
cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:converged_security_management_engine_firmware:14.5.11:*:*:*:*:*:*:*

More vulnerabilities in Intel Converged Security Management Engine Firmware

CVE-2019-0153 — Critical (CVSS 9.8): Buffer overflow in subsystem in Intel(R) CSME 12.0.0 through 12.0.34 may allow an unauthenticated user to potentially…
CVE-2019-0169 — High (CVSS 8.8): Heap overflow in subsystem in Intel(R) CSME before versions 11.8.70, 11.11.70, 11.22.70, 12.0.45; Intel(R) TXE before…
CVE-2022-36392 — High (CVSS 8.6): Improper input validation in some firmware for Intel(R) AMT and Intel(R) Standard Manageability before versions…
CVE-2018-3643 — High (CVSS 8.2): A vulnerability in Power Management Controller firmware in systems using specific Intel(R) Converged Security and…
CVE-2018-3627 — High (CVSS 8.2): Logic bug in Intel Converged Security Management Engine 11.x may allow an attacker to execute arbitrary code via local…
CVE-2020-0542 — High (CVSS 7.8): Improper buffer restrictions in subsystem for Intel(R) CSME versions before 12.0.64, 13.0.32, 14.0.33 and 14.5.12 may…

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