What is CVE-2021-42849?

CVE-2021-42849 is a vulnerability that involves a weak default password for the serial port in some Lenovo Personal Cloud Storage devices.

How does CVE-2021-42849 impact Lenovo Personal Cloud Storage devices?

CVE-2021-42849 allows unauthorized device access to an attacker with physical access.

What is the severity of CVE-2021-42849?

CVE-2021-42849 has a severity rating of 6.8, which is considered medium.

Which versions of Lenovo A1 Firmware are affected by CVE-2021-42849?

Lenovo A1 Firmware versions up to 5.3.6.a1 are affected by CVE-2021-42849.

Is Lenovo X1 affected by CVE-2021-42849?

No, Lenovo X1 is not affected by CVE-2021-42849.

How do I fix CVE-2021-42849?

To fix CVE-2021-42849, Lenovo Personal Cloud Storage device users should ensure that a strong password is set for the serial port.

Vulnerability/
CVE-2021-42849

medium

6.8

CWE

287 798

18/5/2022

4/8/2024

CVE-2021-42849

First published: Wed May 18 2022(Updated: )

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.

Credit: psirt@lenovo.com

Affected Software	Affected Version	How to fix
Lenovo A1 Firmware	<5.3.6.a1
Lenovo A1 Firmware
Lenovo T1	<5.3.6.t1
Lenovo T1 Firmware
Lenovo X1 Firmware	<5.3.8.x1
Lenovo X1
Lenovo T2 Firmware	<5.3.8.t2
Lenovo T2 Firmware
Lenovo T2pro Firmware	<5.3.7.t2-pro
Lenovo T2pro Firmware

Remedy

Update to the Lenovo Personal Cloud Storage device firmware listed in the product table in LEN-73439.

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Reference Links

https://iknow.lenovo.com.cn/detail/dc_200017.html

Frequently Asked Questions

What is CVE-2021-42849?
CVE-2021-42849 is a vulnerability that involves a weak default password for the serial port in some Lenovo Personal Cloud Storage devices.
How does CVE-2021-42849 impact Lenovo Personal Cloud Storage devices?
CVE-2021-42849 allows unauthorized device access to an attacker with physical access.
What is the severity of CVE-2021-42849?
CVE-2021-42849 has a severity rating of 6.8, which is considered medium.
Which versions of Lenovo A1 Firmware are affected by CVE-2021-42849?
Lenovo A1 Firmware versions up to 5.3.6.a1 are affected by CVE-2021-42849.
Is Lenovo X1 affected by CVE-2021-42849?
No, Lenovo X1 is not affected by CVE-2021-42849.
How do I fix CVE-2021-42849?
To fix CVE-2021-42849, Lenovo Personal Cloud Storage device users should ensure that a strong password is set for the serial port.

agent/weakness
agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/author
agent/references
agent/remedy
agent/last-modified-date
agent/description
agent/first-publish-date
agent/event
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/lenovo
canonical/lenovo a1 firmware
canonical/lenovo t1
canonical/lenovo t1 firmware
canonical/lenovo x1 firmware
canonical/lenovo x1
canonical/lenovo t2 firmware
canonical/lenovo t2pro firmware

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