CVE-2021-33077

Name: CVE-2021-33077
Creator: NVD / NIST
Published: 2022-05-12T17:15:09.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2021-33077 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.8/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.26%

17.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Intel	Optane Ssd Dc P4800x Firmware	< e2010600
Intel	Optane Ssd Dc P4801x Firmware	< e2010600
Intel	Optane Ssd P5800x Firmware	< l0310200
Intel	Optane Memory H20 With Solid State Storage Firmware	< pgf028k
Intel	Optane Memory H10 With Solid State Storage Firmware	< tgf061k
Intel	Optane Ssd 905p Firmware	< fw600
Intel	Optane Ssd 900p Firmware	< fw600

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00563.htmlMitigation, Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00563.htmlMitigation, Vendor Advisory

Timeline

Published: May 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33077?

How severe is CVE-2021-33077?

CVE-2021-33077 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33077?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33077?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST