CVE-2021-42849
MEDIUM
6.8
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
MEDIUM6.8
Exploit prediction
EPSS 0.2%
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.
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
6.8MEDIUMlenovo
- Attack Vector
- PHYSICAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-798CWE-287
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