# 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…

CVE record · `CVE-2021-3614`

- **Identifiers:** `CVE-2021-3614`
- **State:** Confirmed
- **Severity:** CVSS 6.4 Medium
- **Critical:** No
- **CNA:** lenovo
- **Weakness (CWE):** [CWE-636](https://cwe.mitre.org/data/definitions/636.html)
- **Tags:** [CWE-636](https://agentprime.io/advisories/tag/cwe-636.md)
- **Technologies:** [Lenovo Notebook BIOS](https://agentprime.io/advisories/technology/lenovo-notebook-bios.md)
- **Published:** 16 Jul 2021
- **Updated:** 3 Aug 2024
- **Reviewed by a person:** No

Published by the CVE Program (CNA: lenovo) at 16 Jul 2021, 20:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Lenovo. Product: Notebook BIOS.
  - affected: `various`

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 6.4 Medium, CVSS 3.1: `CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H`, from CNA (lenovo)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0024, the 14th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 16 Jul 2021. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2021-3614](https://www.cve.org/CVERecord?id=CVE-2021-3614)
- [NVD: CVE-2021-3614](https://nvd.nist.gov/vuln/detail/CVE-2021-3614)

### References from the CNA

- <https://support.lenovo.com/us/en/product_security/LEN-65529>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2021-3614>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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