CVE-2021-3843
MEDIUM
6.7
CVSS Score
Published: November 12, 2021 at 10:05 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
59 products affected across 1 vendorThinkPad L390 YogaThinkPad X390 Yoga FirmwareThinkPad X380 Yoga Firmware
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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.3%
Description
A potential vulnerability in the SMI function to access EEPROM in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 1.27
lenovo-thinkpad-11e-4th-gen-celeron (same device)
v ≤ 1.13
lenovo-thinkpad-yoga-370 (environment) · lenovo-thinkpad-11e-5th-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)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.lenovo.com/us/en/product_security/LEN-72619CVSS
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-20NVD-CWE-noinfo
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