How severe is CVE-2020-0536?

CVE-2020-0536 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 high, integrity none, and availability none.

Is CVE-2020-0536 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0536?

CVE-2020-0536 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-2020-0536?

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-2020-0536 published?

CVE-2020-0536 was published on 2020-06-15 and last updated on 2026-06-17.

CVE-2020-0536

CVE-2020-0536 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% (74th 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 11.8.77, 11.12.77, 11.22.77, 12.0.64, 13.0.32,14.0.33 and Intel(R) TXE versions before 3.1.75 and 4.0.25 may allow an unauthenticated user to potentially enable information disclosure via network access.

Frequently asked questions

What is CVE-2020-0536?: Improper input validation in the DAL subsystem for Intel(R) CSME versions before 11.8.77, 11.12.77, 11.22.77, 12.0.64, 13.0.32,14.0.33 and Intel(R) TXE versions before 3.1.75 and 4.0.25 may allow an unauthenticated user to potentially enable information disclosure via network access.
How severe is CVE-2020-0536?: CVE-2020-0536 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 high, integrity none, and availability none.
Is CVE-2020-0536 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0536?: CVE-2020-0536 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-2020-0536?: 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-2020-0536 published?: CVE-2020-0536 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:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:undefined
cpe:2.3:o:intel:trusted_execution_engine_firmware:*:*:*:*:*:*:*:*

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…
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