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

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CVE-2020-5326

Severity CVSS v4.0:
Pending analysis
Type:
CWE-306 Missing Authentication for Critical Function
Publication date:
21/02/2020
Last modified:
03/03/2020

Description

Affected Dell Client platforms contain a BIOS Setup configuration authentication bypass vulnerability in the pre-boot Intel Rapid Storage Response Technology (iRST) Manager menu. An attacker with physical access to the system could perform unauthorized changes to the BIOS Setup configuration settings without requiring the BIOS Admin password by selecting the Optimized Defaults option in the pre-boot iRST Manager.

Impact

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

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

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

Base Score 3.x
5.30
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
2.10
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:dell:chengming_3980_firmware:*:*:*:*:*:*:*:* 2.13.0 (excluding)
cpe:2.3:h:dell:chengming_3980:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:g3_3579_firmware:*:*:*:*:*:*:*:* 1.10.0 (excluding)
cpe:2.3:h:dell:g3_3579:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:g3_3590_firmware:*:*:*:*:*:*:*:* 1.4.3 (excluding)
cpe:2.3:h:dell:g3_3590:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:g3_3779_firmware:*:*:*:*:*:*:*:* 1.10.0 (excluding)
cpe:2.3:h:dell:g3_3779:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:g5_5587_firmware:*:*:*:*:*:*:*:* 1.11.1 (excluding)
cpe:2.3:h:dell:g5_5587:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:g5_5590_firmware:*:*:*:*:*:*:*:* 1.8.0 (excluding)
cpe:2.3:h:dell:g5_5590:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:g7_7588_firmware:*:*:*:*:*:*:*:* 1.11.1 (excluding)
cpe:2.3:h:dell:g7_7588:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:g7_7590_firmware:*:*:*:*:*:*:*:* 1.8.0 (excluding)

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


References to Advisories, Solutions, and Tools