8.0
HIGH
CVE-2021-42852
Lenovo Personal Cloud Storage Command Injection Vuln
Description

A command injection vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an authenticated user to execute operating system commands by sending a crafted packet to the device.

INFO

Published Date :

May 18, 2022, 4:15 p.m.

Last Modified :

May 26, 2022, 4:52 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.1
Affected Products

The following products are affected by CVE-2021-42852 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Lenovo a1_firmware
2 Lenovo t1_firmware
3 Lenovo x1_firmware
4 Lenovo t2_firmware
5 Lenovo t2pro_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-42852.

URL Resource
https://iknow.lenovo.com.cn/detail/dc_200017.html Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-42852 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42852 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    May. 26, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:S/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://iknow.lenovo.com.cn/detail/dc_200017.html No Types Assigned https://iknow.lenovo.com.cn/detail/dc_200017.html Vendor Advisory
    Added CWE NIST CWE-78
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:a1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.6.a1 OR cpe:2.3:h:lenovo:a1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:t1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.6.t1 OR cpe:2.3:h:lenovo:t1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:x1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.8.x1 OR cpe:2.3:h:lenovo:x1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:t2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.8.t2 OR cpe:2.3:h:lenovo:t2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:t2pro_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.7.t2-pro OR cpe:2.3:h:lenovo:t2pro:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-42852 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.10675

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability