How severe is CVE-2020-12359?

CVE-2020-12359 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12359 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12359?

CVE-2020-12359 primarily affects Intel Bios. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12359?

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

When was CVE-2020-12359 published?

CVE-2020-12359 was published on 2021-06-09 and last updated on 2026-06-17.

CVE-2020-12359

CVE-2020-12359 is a medium-severity vulnerability in Intel Bios with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Bios
Published: 2021-06-09
Last modified: 2026-06-17

Description

Insufficient control flow management in the firmware for some Intel(R) Processors may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

Frequently asked questions

What is CVE-2020-12359?: Insufficient control flow management in the firmware for some Intel(R) Processors may allow an unauthenticated user to potentially enable escalation of privilege via physical access.
How severe is CVE-2020-12359?: CVE-2020-12359 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12359 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12359?: CVE-2020-12359 primarily affects Intel Bios. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12359?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-12359 published?: CVE-2020-12359 was published on 2021-06-09 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:o:intel:bios:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:aff_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:e-series_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:fas_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:hci_compute_node_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:hci_storage_node_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:solidfire_bios:-:*:*:*:*:*:*:*

More vulnerabilities in Intel Bios

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