CVE-2021-3614
No known exploitation. EPSS puts it in the 13th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
A vulnerability was reported on some Lenovo Notebook systems that could allow an attacker with physical access to elevate privileges under certain conditions during a BIOS update performed by Lenovo Vantage.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 13th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 1224 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- ideapad 1-11ada05 firmwareHardware Firmware
- ideapad 1-14ada05 firmwareHardware Firmware
- v130-15ikb firmwareHardware Firmware
- 100e 2nd gen firmwareHardware Firmware
- 300e 2nd gen firmwareHardware Firmware
- ideapad 730-13iml firmwareHardware Firmware
- ideapad flex 5-14alc05 firmwareHardware Firmware
- ideapad flex 5-15alc05 firmwareHardware Firmware
And 14 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Scored 6.4 by NVD.
How it is reached
- Attack Vector PhysicalRequires physical access to the device
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
Sources
References in the record
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