What is CVE-2022-27538?

CVE-2022-27538 is a high-severity vulnerability in HP Dragonfly Folio G3 2-In-1, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2023-02-01.

How severe is CVE-2022-27538?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in HP Dragonfly Folio G3 2-In-1

CVE-2022-27538

A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been identified in the BIOS for certain HP PC products which may allow arbitrary code execution, denial of service, and information disclosure. HP is releasing BIOS updates to mitigate the potential vulnerability.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.001 (3.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

hp-security-alert@hp.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-27538?: CVE-2022-27538 is a high-severity vulnerability in HP Dragonfly Folio G3 2-In-1, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2023-02-01.
How severe is CVE-2022-27538?: High severity. CVSS v3 base score is 7.0 out of 10.