What is CVE-2021-0188?

CVE-2021-0188 is a high-severity vulnerability in Intel Xeon E3-1220 V5, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2022-05-12.

How severe is CVE-2021-0188?

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

Buffer overflow in Intel Xeon E3-1220 V5

CVE-2021-0188

Return of pointer value outside of expected range in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (18.8th 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

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

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

Frequently asked questions

What is CVE-2021-0188?: CVE-2021-0188 is a high-severity vulnerability in Intel Xeon E3-1220 V5, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2022-05-12.
How severe is CVE-2021-0188?: High severity. CVSS v3 base score is 7.8 out of 10.