CVE-2021-0154

CVE-2021-0154 is a high-severity vulnerability in Intel Xeon E-2314 Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Description

Improper input validation in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

Frequently asked questions

What is CVE-2021-0154?
Improper input validation in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.
How severe is CVE-2021-0154?
CVE-2021-0154 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-0154 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-2021-0154?
CVE-2021-0154 primarily affects Intel Xeon E-2314 Firmware. In total, 253 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-0154?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-0154 published?
CVE-2021-0154 was published on 2022-05-12 and last updated on 2026-06-17.

References

Affected products (253)

More vulnerabilities in Intel Xeon E-2314 Firmware

All CVEs affecting Intel Xeon E-2314 Firmware →

Other CWE-20 (Improper Input Validation) vulnerabilities

Browse all CWE-20 (Improper Input Validation) vulnerabilities →