Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-42849

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
18/05/2022
Last modified:
26/06/2023

Description

A weak default password for the serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical access.

Impact

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

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Physical
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
6.80
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0
4.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:lenovo:a1_firmware:*:*:*:*:*:*:*:* 5.3.6.a1 (excluding)
cpe:2.3:h:lenovo:a1:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:t1_firmware:*:*:*:*:*:*:*:* 5.3.6.t1 (excluding)
cpe:2.3:h:lenovo:t1:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:x1_firmware:*:*:*:*:*:*:*:* 5.3.8.x1 (excluding)
cpe:2.3:h:lenovo:x1:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:t2_firmware:*:*:*:*:*:*:*:* 5.3.8.t2 (excluding)
cpe:2.3:h:lenovo:t2:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:t2pro_firmware:*:*:*:*:*:*:*:* 5.3.7.t2-pro (excluding)
cpe:2.3:h:lenovo:t2pro:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools