How severe is CVE-2021-33076?

CVE-2021-33076 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-33076 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33076?

CVE-2021-33076 primarily affects Intel Ssd 600p Firmware. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33076?

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

When was CVE-2021-33076 published?

CVE-2021-33076 was published on 2022-09-20 and last updated on 2026-06-17.

CVE-2021-33076

CVE-2021-33076 is a medium-severity vulnerability in Intel Ssd 600p Firmware with a CVSS 3.x base score of 5.3. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Intel Ssd 600p Firmware
Published: 2022-09-20
Last modified: 2026-06-17

Description

Improper authentication in firmware for some Intel(R) SSD DC Products may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

Frequently asked questions

What is CVE-2021-33076?: Improper authentication in firmware for some Intel(R) SSD DC Products may allow an unauthenticated user to potentially enable escalation of privilege via physical access.
How severe is CVE-2021-33076?: CVE-2021-33076 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-33076 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33076?: CVE-2021-33076 primarily affects Intel Ssd 600p Firmware. In total, 30 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33076?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33076 published?: CVE-2021-33076 was published on 2022-09-20 and last updated on 2026-06-17.

References

https://www.solidigm.com/content/dam/newco-aem-site/master/site/support/Solidigm%20SA-000563%20rev1.1.pdf

Affected products (30)

cpe:2.3:o:intel:ssd_600p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_660p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_665p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_670p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_700p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_760p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_d3-s4510_m.2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p4510_sff_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_d3-s4610_m.2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p4610_sff_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_d5-p4326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_d5-p5316_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_d7_p5510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_d7_p5600_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_d4512_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p3100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p4101_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p4500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p4501_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p4510_edsff_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p4511_edsff_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p4511_m.2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p4600_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_p4608_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_s4500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_dc_s4600_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_e_6000p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_e_6100p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_pro_6000p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:ssd_pro_7600p_firmware:*:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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