CVE-2021-42852
HIGH
8
CVSS Score
Published: May 18, 2022 at 04:10 PM UTC
Updated: June 17, 2026 at 04:10 AM UTC
15 products affected across 1 vendorT2 FirmwareX1 FirmwareA1 Firmware
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Severity
HIGH8
Exploit prediction
EPSS 0.8%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.3.6.a1
Affected range stops below 5.3.6.a1, so it looks safe — our inference, not a vendor statement
lenovo-a1 (same device)
v < 5.3.6.t1
Affected range stops below 5.3.6.t1, so it looks safe — our inference, not a vendor statement
lenovo-t1 (same device)
v < 5.3.8.t2
Affected range stops below 5.3.8.t2, so it looks safe — our inference, not a vendor statement
lenovo-t2 (same device)
v < 5.3.7.t2-pro
Affected range stops below 5.3.7.t2-pro, so it looks safe — our inference, not a vendor statement
lenovo-t2pro (same device)
v < 5.3.8.x1
Affected range stops below 5.3.8.x1, so it looks safe — our inference, not a vendor statement
lenovo-x1 (same device)
v < 5.3.6.a1
Affected range stops below 5.3.6.a1, so it looks safe — our inference, not a vendor statement
v < 5.3.6.t1
Affected range stops below 5.3.6.t1, so it looks safe — our inference, not a vendor statement
v < 5.3.8.t2
Affected range stops below 5.3.8.t2, so it looks safe — our inference, not a vendor statement
v < 5.3.7.t2-pro
Affected range stops below 5.3.7.t2-pro, so it looks safe — our inference, not a vendor statement
v < 5.3.8.x1
Affected range stops below 5.3.8.x1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://iknow.lenovo.com.cn/detail/dc_200017.htmlCVSS
8HIGHlenovo
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-78
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