How severe is CVE-2020-8756?

CVE-2020-8756 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-8756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8756?

CVE-2020-8756 affects Intel Converged Security And Manageability Engine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8756?

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

When was CVE-2020-8756 published?

CVE-2020-8756 was published on 2020-11-12 and last updated on 2026-06-17.

CVE-2020-8756

CVE-2020-8756 is a medium-severity vulnerability in Intel Converged Security And Manageability Engine with a CVSS 3.x base score of 6.7. 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: Medium (CVSS 3.x base score 6.7)
CVSS v2: 4.6
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Intel Converged Security And Manageability Engine
Published: 2020-11-12
Last modified: 2026-06-17

Description

Improper input validation in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70 and 14.0.45 may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2020-8756?: Improper input validation in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70 and 14.0.45 may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2020-8756?: CVE-2020-8756 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-8756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8756?: CVE-2020-8756 affects Intel Converged Security And Manageability Engine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8756 published?: CVE-2020-8756 was published on 2020-11-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:*

More vulnerabilities in Intel Converged Security And Manageability Engine

CVE-2020-12303 — High (CVSS 7.8): Use after free in DAL subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40,…
CVE-2020-12297 — High (CVSS 7.8): Improper access control in Installer for Intel(R) CSME Driver for Windows versions before 11.8.80, 11.12.80, 11.22.80,…
CVE-2020-24516 — Medium (CVSS 6.8): Modification of assumed-immutable data in subsystem in Intel(R) CSME versions before 13.0.47, 13.30.17, 14.1.53,…
CVE-2020-8745 — Medium (CVSS 6.8): Insufficient control flow management in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80,…
CVE-2020-8705 — Medium (CVSS 6.8): Insecure default initialization of resource in Intel(R) Boot Guard in Intel(R) CSME versions before 11.8.80, 11.12.80,…
CVE-2020-8703 — Medium (CVSS 6.7): Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81,…

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