Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-3897

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
22/04/2022
Last modified:
09/08/2022

Description

An authentication bypass vulnerability was discovered in an internal service of the Lenovo Fan Power Controller2 (FPC2) and Lenovo System Management Module (SMM) firmware during an that could allow an unauthenticated attacker to execute commands on the SMM and FPC2. SMM2 is not affected.

Impact

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

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:lenovo:nextscale_n1200_enclosure_firmware:*:*:*:*:*:*:*:* fhet50b-2.90 (excluding)
cpe:2.3:h:lenovo:nextscale_n1200_enclosure:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkagile_hx_enclosure_certified_node_firmware:*:*:*:*:*:*:*:* tesm28b-1.21 (excluding)
cpe:2.3:h:lenovo:thinkagile_hx_enclosure_certified_node:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkagile_vx_enclosure_firmware:*:*:*:*:*:*:*:* tesm28b-1.21 (excluding)
cpe:2.3:h:lenovo:thinkagile_vx_enclosure:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinksystem_d2_enclosure_firmware:*:*:*:*:*:*:*:* tesm28b-1.21 (excluding)
cpe:2.3:h:lenovo:thinksystem_d2_enclosure:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:nextscale_fan_power_controller_firmware:*:*:*:*:*:*:*:* 44a-3.70 (excluding)
cpe:2.3:h:ibm:nextscale_fan_power_controller:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools