Cyber Resilience

CVE-2021-0155

Medium

Published: 12 May 2022

Published
12 May 2022
Modified
05 May 2025
KEV Added
—
Patch
—
CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0010 27.4th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-0155 is a medium-severity Unchecked Return Value (CWE-252) vulnerability in Intel Xeon E7-8894 V4 Firmware. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 27.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Unchecked return value in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

CWE(s)
CWE-252

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

intel
xeon e7-8894 v4 firmware
all versions
intel
xeon e7-4809 v4 firmware
all versions
intel
xeon e7-4820 v4 firmware
all versions
intel
xeon e7-4830 v4 firmware
all versions
intel
xeon e7-4850 v4 firmware
all versions
intel
xeon e7-8860 v4 firmware
all versions
intel
xeon e7-8867 v4 firmware
all versions
intel
xeon e7-8870 v4 firmware
all versions
intel
xeon e7-8880 v4 firmware
all versions
intel
xeon e7-8890 v4 firmware
all versions
+163 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References