Cyber Resilience

CVE-2021-33060

High

Published: 18 August 2022

Published
18 August 2022
Modified
05 May 2025
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0024 47.0th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33060 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Intel Xeon Gold 5315Y Firmware. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 47.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Out-of-bounds write in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access.

CWE(s)

Related Threats

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

Affected Assets

intel
xeon gold 5315y firmware
all versions
intel
xeon gold 5317 firmware
all versions
intel
xeon gold 5318n firmware
all versions
intel
xeon gold 5318s firmware
all versions
intel
xeon gold 5318y firmware
all versions
intel
xeon gold 5320 firmware
all versions
intel
xeon gold 5320t firmware
all versions
intel
xeon gold 6312u firmware
all versions
intel
xeon gold 6314u firmware
all versions
intel
xeon gold 6326 firmware
all versions
+62 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References