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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2021-3970

A potential vulnerability in LenovoVariable SMI Handler due to insufficient validation in some Lenovo Notebook models BIOS may allow an attacker with local access and elevated privileges to execute arbitrary code.

CVSS 6.7 · MediumBuzz score 29.1

Buzz score

Why this CVE is surfacing

Buzz score total 29.1

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 16.1 · diversity 13.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
16.1
4 evidence mentions in the snapshot
Diversity score
13.0
4 sources across 2 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
4 source links · newest first
  • May 2022 Patch Tuesday forecast: Look beyond just application and OS updatesHelp Net Security

    April Patch Tuesday provided an extensive set of operating system and application updates after a few quiet months. Microsoft addressed 97 vulnerabilities in Windows 10, and 67 in Windows 11. Adobe updated Reader and Acrobat to fix 62 vulnerabilities. Many of the vulnerabilities from both vendors were rated critical which resulted in a busy deployment schedule last month. This increase in identified and remediated vulnerabilities is expected to continue as we move into summer, driven … More →

    newswww.helpnetsecurity.comMay 6, 2022, 4:06 AM
  • 25th April – Threat Intelligence ReportCheck Point Research

    For the latest discoveries in cyber research for the week of 25th April, please download our Threat Intelligence Bulletin. Top Attacks and Breaches Russian state-sponsored APT actor Gamaredon (aka Shuckworm) has targeted Ukrainian organizations using at least four different variants of the Pterodo backdoor, likely to maintain persistence on infected computers. The group has been […]

    vendorresearch.checkpoint.comApr 25, 2022, 2:32 PM
  • Firmware Flaws Allow Disabling Secure Boot on Lenovo LaptopsSecurityWeek

    Computer maker Lenovo has started pushing security patches to address three vulnerabilities impacting the UEFI firmware of more than 110 laptop models.

    newswww.securityweek.comApr 19, 2022, 6:46 PM
  • ESET warns of three flaws that affect over 100 Lenovo notebook modelsSecurity Affairs

    Lenovo warns of vulnerabilities in its Unified Extensible Firmware Interface (UEFI) shipped with at least 100 notebook models. Lenovo has published a security advisory to warn customers of vulnerabilities that affect its Unified Extensible Firmware Interface (UEFI) loaded on at least 100 of its notebook models, including IdeaPad 3, Legion 5 Pro-16ACH6 H, and Yoga […]

    newssecurityaffairs.comApr 19, 2022, 2:38 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
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Related records

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6 related CVEs with shared weakness or product evidence