How severe is CVE-2021-33083?

CVE-2021-33083 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-33083 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33083?

CVE-2021-33083 primarily affects Intel Optane Ssd Dc P4800x Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33083?

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

When was CVE-2021-33083 published?

CVE-2021-33083 was published on 2022-05-12 and last updated on 2026-06-17.

CVE-2021-33083

CVE-2021-33083 is a medium-severity vulnerability in Intel Optane Ssd Dc P4800x Firmware with a CVSS 3.x base score of 4.4. 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 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Intel Optane Ssd Dc P4800x Firmware
Published: 2022-05-12
Last modified: 2026-06-17

Description

Improper authentication in firmware for some Intel(R) SSD, Intel(R) Optane(TM) SSD, Intel(R) Optane(TM) SSD DC and Intel(R) SSD DC Products may allow an privileged user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2021-33083?: Improper authentication in firmware for some Intel(R) SSD, Intel(R) Optane(TM) SSD, Intel(R) Optane(TM) SSD DC and Intel(R) SSD DC Products may allow an privileged user to potentially enable information disclosure via local access.
How severe is CVE-2021-33083?: CVE-2021-33083 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-33083 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33083?: CVE-2021-33083 primarily affects Intel Optane Ssd Dc P4800x Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33083?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33083 published?: CVE-2021-33083 was published on 2022-05-12 and last updated on 2026-06-17.

References

Affected products (7)

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_p5800x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_memory_h20_with_solid_state_storage_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_memory_h10_with_solid_state_storage_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_ssd_905p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:optane_ssd_900p_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Intel Optane Ssd Dc P4800x 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-2023-27306 — Medium (CVSS 6.5): Improper Initialization in firmware for some Intel(R) Optane(TM) SSD products may allow an authenticated user to…

All CVEs affecting Intel Optane Ssd Dc P4800x Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
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…

Browse all CWE-287 (Improper Authentication) vulnerabilities →