Cyber Resilience

CVE-2022-27539

High

Published: 12 June 2023

Published
12 June 2023
Modified
03 January 2025
KEV Added
—
Patch
—
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0017 38.7th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-27539 is a high-severity Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367) vulnerability in Hp Zcentral 4R Workstation Firmware. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 38.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Potential Time-of-Check to Time-of Use (TOCTOU) vulnerabilities have been identified in the HP BIOS for certain HP PC products which may allow arbitrary code execution, denial of service, and information disclosure.

CWE(s)
CWE-367

Related Threats

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

Affected Assets

hp
zcentral 4r workstation firmware
≤ 1.24
hp
z1 all-in-one g3 workstation firmware
≤ 1.33
hp
elitebook 725 g4 firmware
≤ 1.42
hp
elitebook 745 g4 firmware
≤ 1.42
hp
elitebook 755 g4 firmware
≤ 1.42
hp
probook 645 g3 firmware
≤ 1.42
hp
probook 655 g3 firmware
≤ 1.42
hp
mt43 mobile thin client firmware
≤ 1.42
hp
elite x2 1012 g2 firmware
≤ 1.43
hp
elitebook 1040 g4 firmware
≤ 1.43
+377 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.

AU-8 Time Stamps
addresses: CWE-367

Timestamps meeting UTC or offset standards help identify TOCTOU issues through precise chronological reconstruction of check/use operations.

References