CVE-2022-4575
MEDIUM
6.7
CVSS Score
Published: October 30, 2023 at 02:42 PM UTC
Updated: June 17, 2026 at 05:21 AM UTC
27 products affected across 1 vendorThinkPad X270 FirmwareThinkPad X260 FirmwareThinkPad T470 Firmware
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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.2%
Description
A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.73
Affected range stops below 1.73, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-25 (same device)
v < 1.62
Affected range stops below 1.62, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-l560 (same device)
v < 1.71
Affected range stops below 1.71, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-p50 (same device)
v < 1.45
Affected range stops below 1.45, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-p50s (same device)
v < 2.45
Affected range stops below 2.45, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-p70 (same device)
v < 1.73
Affected range stops below 1.73, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-t470 (same device)
v < 1.49
Affected range stops below 1.49, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-t470s (same device)
v < 1.45
Affected range stops below 1.45, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-t560 (same device)
v < 1.56
Affected range stops below 1.56, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-x1-carbon-4th-gen (same device)
v < 1.56
Affected range stops below 1.56, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-x1-yoga-1st-gen (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor Advisory
Source: [email protected]
https://support.lenovo.com/us/en/product_security/LEN-106014CVSS
6.7MEDIUMlenovo
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-276
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