How severe is CVE-2023-27306?

CVE-2023-27306 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-27306 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27306?

CVE-2023-27306 primarily affects Intel Optane Memory H20 With Solid State Storage Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27306?

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

When was CVE-2023-27306 published?

CVE-2023-27306 was published on 2023-11-14 and last updated on 2026-06-17.

CVE-2023-27306

CVE-2023-27306 is a medium-severity vulnerability in Intel Optane Memory H20 With Solid State Storage Firmware with a CVSS 3.x base score of 6.5. 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-665.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-665
Affected product: Intel Optane Memory H20 With Solid State Storage Firmware
Published: 2023-11-14
Last modified: 2026-06-17

Description

Improper Initialization in firmware for some Intel(R) Optane(TM) SSD products may allow an authenticated user to potentially enable denial of service via local access.

Frequently asked questions

What is CVE-2023-27306?: Improper Initialization in firmware for some Intel(R) Optane(TM) SSD products may allow an authenticated user to potentially enable denial of service via local access.
How severe is CVE-2023-27306?: CVE-2023-27306 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-27306 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27306?: CVE-2023-27306 primarily affects Intel Optane Memory H20 With Solid State Storage Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27306?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27306 published?: CVE-2023-27306 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 (5)

cpe:2.3:o:intel:optane_memory_h20_with_solid_state_storage_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_ssd_900p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_ssd_dc_p4800x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_ssd_dc_p4801x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_ssd_905p_firmware:*:*:*:*:*:*:*:*

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