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% (11th 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% (11th 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% (11th 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:*:*:*:*:*:*:*:*

More vulnerabilities in Intel Optane Memory H20 With Solid State Storage Firmware

CVE-2023-27519 — Medium (CVSS 6.9): Improper input validation in firmware for some Intel(R) Optane(TM) SSD products may allow a privileged user to…
CVE-2023-24587 — Medium (CVSS 6.9): Insufficient control flow management in firmware for some Intel(R) Optane(TM) SSD products may allow a privileged user…
CVE-2023-27879 — Medium (CVSS 6.8): Improper access control in firmware for some Intel(R) Optane(TM) SSD products may allow an unauthenticated user to…
CVE-2021-33080 — Medium (CVSS 6.8): Exposure of sensitive system information due to uncleared debug information in firmware for some Intel(R) SSD DC,…
CVE-2021-33077 — Medium (CVSS 6.8): Insufficient control flow management in firmware for some Intel(R) SSD, Intel(R) Optane(TM) SSD and Intel(R) SSD DC…
CVE-2023-24588 — Medium (CVSS 5.9): Exposure of sensitive information to an unauthorized actor in firmware for some Intel(R) Optane(TM) SSD products may…

All CVEs affecting Intel Optane Memory H20 With Solid State Storage Firmware →

Other CWE-665 (Improper Initialization) vulnerabilities

CVE-2021-33635 — Critical (CVSS 9.8): When malicious images are pulled by isula pull, attackers can execute arbitrary code.
CVE-2022-37128 — Critical (CVSS 9.8): In D-Link DIR-816 A2_v1.10CNB04.img the network can be initialized without authentication via /goform/wizard_end.
CVE-2021-41264 — Critical (CVSS 9.8): OpenZeppelin Contracts is a library for smart contract development. In affected versions upgradeable contracts using…
CVE-2019-10196 — Critical (CVSS 9.8): A flaw was found in http-proxy-agent, prior to version 2.1.0. It was discovered http-proxy-agent passes an auth option…
CVE-2015-8367 — Critical (CVSS 9.8): The phase_one_correct function in Libraw before 0.17.1 allows attackers to cause memory errors and possibly execute…
CVE-2019-14271 — Critical (CVSS 9.8): In Docker 19.03.x before 19.03.1 linked against the GNU C Library (aka glibc), code injection can occur when the…

Browse all CWE-665 (Improper Initialization) vulnerabilities →