CVE-2021-33077

CVE-2021-33077 is a medium-severity vulnerability in Intel Optane Ssd Dc P4800x 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.

Key facts

Description

Insufficient control flow management in firmware for some Intel(R) SSD, Intel(R) Optane(TM) SSD and 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-2021-33077?
Insufficient control flow management in firmware for some Intel(R) SSD, Intel(R) Optane(TM) SSD and Intel(R) SSD DC Products may allow an unauthenticated user to potentially enable escalation of privilege via physical access.
How severe is CVE-2021-33077?
CVE-2021-33077 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-33077 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-2021-33077?
CVE-2021-33077 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-2021-33077?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33077 published?
CVE-2021-33077 was published on 2022-05-12 and last updated on 2026-06-17.

References

Affected products (7)

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