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

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CVE-2020-8332

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
14/10/2020
Last modified:
29/10/2020

Description

A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.

Impact

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

Base Score: 6.40 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
6.40
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

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

Base Score 2.0
6.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:lenovo:bladecenter_hs23_firmware:*:*:*:*:*:*:*:* tke170b (excluding)
cpe:2.3:h:lenovo:bladecenter_hs23:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:bladecenter_hs23e_firmware:*:*:*:*:*:*:*:* ahe172b (excluding)
cpe:2.3:h:lenovo:bladecenter_hs23e:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:compute_node-x440_firmware:*:*:*:*:*:*:*:* cge128a (excluding)
cpe:2.3:h:lenovo:compute_node-x440:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x220_firmware:*:*:*:*:*:*:*:* kse170b (excluding)
cpe:2.3:h:lenovo:flex_system_x220:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x240_firmware:*:*:*:*:*:*:*:* b2e172b (excluding)
cpe:2.3:h:lenovo:flex_system_x240:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:flex_system_x440_firmware:*:*:*:*:*:*:*:* cne172b (excluding)
cpe:2.3:h:lenovo:flex_system_x440:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:nextscale_nx360_m4_firmware:*:*:*:*:*:*:*:* fhe132b (excluding)
cpe:2.3:h:lenovo:nextscale_nx360_m4:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:system_x3300_m4_firmware:*:*:*:*:*:*:*:* yae166b (excluding)

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


References to Advisories, Solutions, and Tools