Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-27538

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
01/02/2023
Last modified:
27/03/2025

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.00 HIGH
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.00
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:hp:dragonfly_folio_g3_2-in-1_firmware:*:*:*:*:*:*:*:* 01.03.01 (excluding)
cpe:2.3:h:hp:dragonfly_folio_g3_2-in-1:-:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_dragonfly_firmware:*:*:*:*:*:*:*:* 01.22.00 (excluding)
cpe:2.3:h:hp:elite_dragonfly:-:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_dragonfly_g3_firmware:*:*:*:*:*:*:*:* 01.04.00 (excluding)
cpe:2.3:h:hp:elite_dragonfly_g3:-:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_dragonfly_g2_firmware:*:*:*:*:*:*:*:* 01.11.00 (excluding)
cpe:2.3:h:hp:elite_dragonfly_g2:-:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_dragonfly_max_firmware:*:*:*:*:*:*:*:* 01.11.00 (excluding)
cpe:2.3:h:hp:elite_dragonfly_max:-:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_x2_1013_g3_firmware:*:*:*:*:*:*:*:* 01.22.00 (excluding)
cpe:2.3:h:hp:elite_x2_1013_g3:-:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_x2_g4_firmware:*:*:*:*:*:*:*:* 01.22.00 (excluding)
cpe:2.3:h:hp:elite_x2_g4:-:*:*:*:*:*:*:*
cpe:2.3:o:hp:elite_x2_g8_tablet_firmware:*:*:*:*:*:*:*:* 01.11.00 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools