Cyber Resilience

CVE-2021-39298

High

Published: 16 February 2022

Published
16 February 2022
Modified
24 February 2026
KEV Added
—
Patch
—
CVSS Score v3.1 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0006 17.6th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-39298 is a high-severity an unspecified weakness vulnerability in Hp Z4 G4 Workstation \(Core-X\) Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 17.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in…

more

the UEFI firmware.

CWE(s)
NVD-CWE-noinfo

Related Threats

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

Affected Assets

hp
z1 entry tower g5 workstation firmware
≤ 02.12.00
hp
z1 entry tower g6 workstation firmware
≤ 02.10.00
hp
z1 g8 tower desktop pc firmware
≤ 02.07.00
hp
z4 g4 workstation \(core-x\) firmware
≤ 02.75 · ≤ 02.75 · ≤ 02.75
hp
z4 g4 workstation \(xeon w\) firmware
≤ 02.75 · ≤ 02.75 · ≤ 02.75
hp
z6 g4 workstation firmware
≤ 02.75 · ≤ 02.75 · ≤ 02.75
hp
z8 g4 workstation firmware
≤ 02.75 · ≤ 02.75 · ≤ 02.75
hp
engage flex mini retail system firmware
≤ 02.10.00
hp
mp9 g4 retail system firmware
≤ 02.18.00
hp
elite dragonfly firmware
≤ 01.12.00
+177 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