CVE-2021-42851
First published: Wed May 18 2022(Updated: )
A vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an unauthenticated user to create a standard user account.
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
Frequently Asked Questions
What is the severity of CVE-2021-42851?
The severity of CVE-2021-42851 is medium with a CVSS score of 5.3.
What is the impact of CVE-2021-42851?
CVE-2021-42851 could allow an unauthenticated user to create a standard user account on affected Lenovo Personal Cloud Storage devices.
Which Lenovo Personal Cloud Storage devices are affected by CVE-2021-42851?
CVE-2021-42851 affects Lenovo Personal Cloud Storage devices with A1 Firmware versions up to and excluding 5.3.6.a1, and T1 Firmware versions up to and excluding 5.3.6.t1.
How can an unauthenticated user exploit CVE-2021-42851?
An unauthenticated user can exploit CVE-2021-42851 by performing unauthorized actions, such as creating a standard user account without proper authentication.
How can I fix CVE-2021-42851?
To fix CVE-2021-42851, update the Lenovo Personal Cloud Storage device's firmware to version 5.3.6.a1 for A1 Firmware or 5.3.6.t1 for T1 Firmware.
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- 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