What is CVE-2021-33122?

CVE-2021-33122 is a high-severity vulnerability in Intel Celeron_n4000. CVSS score: 7.8/10. Published 2022-05-12.

How severe is CVE-2021-33122?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Intel Celeron_n4000

CVE-2021-33122

Insufficient control flow management in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

EPSS: 0.003 (16.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Intel Celeron_n4000
Intel Celeron_n4000_firmware
Intel Celeron_n4020
Intel Celeron_n4020_firmware
Intel Celeron_n4100
Intel Celeron_n4100_firmware
Intel Celeron_n4120
Intel Celeron_n4120_firmware
Intel Celeron_n4500
Intel Celeron_n4500_firmware

References

secure@intel.com (x_refsource_MISC, Vendor Advisory)
secure@intel.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-33122?: CVE-2021-33122 is a high-severity vulnerability in Intel Celeron_n4000. CVSS score: 7.8/10. Published 2022-05-12.
How severe is CVE-2021-33122?: High severity. CVSS v3 base score is 7.8 out of 10.