How severe is CVE-2020-12356?

CVE-2020-12356 has a CVSS 3.x base score of 4.4, 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 none, and availability none.

Is CVE-2020-12356 being actively exploited?

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

What products are affected by CVE-2020-12356?

CVE-2020-12356 primarily affects Intel Active Management Technology Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12356?

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

When was CVE-2020-12356 published?

CVE-2020-12356 was published on 2020-11-12 and last updated on 2026-06-17.

CVE-2020-12356

CVE-2020-12356 is a medium-severity vulnerability in Intel Active Management Technology Firmware with a CVSS 3.x base score of 4.4. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Intel Active Management Technology Firmware
Published: 2020-11-12
Last modified: 2026-06-17

Description

Out-of-bounds read in subsystem in Intel(R) AMT 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 information disclosure via local access.

Frequently asked questions

What is CVE-2020-12356?: Out-of-bounds read in subsystem in Intel(R) AMT 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 information disclosure via local access.
How severe is CVE-2020-12356?: CVE-2020-12356 has a CVSS 3.x base score of 4.4, 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 none, and availability none.
Is CVE-2020-12356 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12356?: CVE-2020-12356 primarily affects Intel Active Management Technology Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12356?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-12356 published?: CVE-2020-12356 was published on 2020-11-12 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*

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