How severe is CVE-2023-27879?

CVE-2023-27879 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-27879 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27879?

CVE-2023-27879 primarily affects Intel Optane Memory H20 With Solid State Storage Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27879?

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

When was CVE-2023-27879 published?

CVE-2023-27879 was published on 2023-11-14 and last updated on 2026-06-17.

CVE-2023-27879

CVE-2023-27879 is a medium-severity vulnerability in Intel Optane Memory H20 With Solid State Storage Firmware 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. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Intel Optane Memory H20 With Solid State Storage Firmware
Published: 2023-11-14
Last modified: 2026-06-17

Description

Improper access control in firmware for some Intel(R) Optane(TM) SSD products may allow an unauthenticated user to potentially enable information disclosure via physical access.

Frequently asked questions

What is CVE-2023-27879?: Improper access control in firmware for some Intel(R) Optane(TM) SSD products may allow an unauthenticated user to potentially enable information disclosure via physical access.
How severe is CVE-2023-27879?: CVE-2023-27879 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-27879 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27879?: CVE-2023-27879 primarily affects Intel Optane Memory H20 With Solid State Storage Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27879?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27879 published?: CVE-2023-27879 was published on 2023-11-14 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00758.html

Affected products (4)

cpe:2.3:o:intel:optane_memory_h20_with_solid_state_storage_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_ssd_905p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_ssd_dc_p4800x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_ssd_dc_p4801x_firmware:*:*:*:*:*:*:*:*

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