Improper input validation in Lenovo BIOS
Priority LOW 29CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A potential vulnerability in the SMI callback function used in the NVME driver in some Lenovo Desktop, ThinkStation, and ThinkEdge models may allow an attacker with local access and elevated privileges to execute arbitrary code.
Why it matters now
EPSS 0.00261 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Lenovo | BIOS | various | — | No fix listed | CNA |
- BIOS VendorLenovo Affected various Fixed in — No fix listed CNA
CPE configurations NVD · 64
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:lenovo:stadia_ggp-120_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:stadia_ggp-120:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkedge_se30_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkedge_se30:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:v540-24iwl_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:v540-24iwl:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkstation_p520_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkstation_p520:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkstation_p310_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkstation_p310:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
- cpe:2.3:o:lenovo:stadia_ggp-120_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:stadia_ggp-120:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkedge_se30_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkedge_se30:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:v540-24iwl_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:v540-24iwl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkstation_p520_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkstation_p520:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkstation_p310_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkstation_p310:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
Show 54 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:lenovo:v50t-13imb_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:v50t-13imb:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkstation_p520c_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkstation_p520c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:a540-27icb_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:a540-27icb:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:a540-24icb_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:a540-24icb:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:ideacentre_g5-14imb05_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:ideacentre_g5-14imb05:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:v410z_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:v410z:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m910z_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m910z:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m70a_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m70a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m75n_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m75n:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_x1_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_x1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m900_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m900:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m810z_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m810z:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m90a_gen2_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m90a_gen2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m820z_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m820z:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:ideacentre_aio_3-27itl6_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:ideacentre_aio_3-27itl6:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:ideacentre_aio_3-24itl6_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:ideacentre_aio_3-24itl6:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m900x_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m900x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m800_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:ideacentre_aio_3-24iil5_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:ideacentre_aio_3-24iil5:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m700_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:thinkcentre_m700_tiny_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:thinkcentre_m700_tiny:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:ideacentre_aio_3-24ada6_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:ideacentre_aio_3-24ada6:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:ideacentre_aio_3-22itl6_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:ideacentre_aio_3-22itl6:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:ideacentre_aio_3-22iil5_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:ideacentre_aio_3-22iil5:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:ideacentre_aio_3-22ada6_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:ideacentre_aio_3-22ada6:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:ideacentre_5-14imb05_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:ideacentre_5-14imb05:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:ideacentre_c5-14imb05_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:ideacentre_c5-14imb05:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
- cpe:2.3:o:lenovo:v50t-13imb_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:v50t-13imb:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkstation_p520c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkstation_p520c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:a540-27icb_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:a540-27icb:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:a540-24icb_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:a540-24icb:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:ideacentre_g5-14imb05_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:ideacentre_g5-14imb05:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:v410z_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:v410z:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m910z_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m910z:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m70a_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m70a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m75n_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m75n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_x1_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_x1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m900_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m810z_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m810z:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m90a_gen2_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m90a_gen2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m820z_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m820z:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:ideacentre_aio_3-27itl6_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:ideacentre_aio_3-27itl6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:ideacentre_aio_3-24itl6_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:ideacentre_aio_3-24itl6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m900x_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m900x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m800_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:ideacentre_aio_3-24iil5_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:ideacentre_aio_3-24iil5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m700_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:thinkcentre_m700_tiny_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:thinkcentre_m700_tiny:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:ideacentre_aio_3-24ada6_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:ideacentre_aio_3-24ada6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:ideacentre_aio_3-22itl6_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:ideacentre_aio_3-22itl6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:ideacentre_aio_3-22iil5_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:ideacentre_aio_3-22iil5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:ideacentre_aio_3-22ada6_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:ideacentre_aio_3-22ada6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:ideacentre_5-14imb05_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:ideacentre_5-14imb05:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:ideacentre_c5-14imb05_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:ideacentre_c5-14imb05:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4210
- 2026-10-03 Alias added: GHSA-2gc6-xpq3-f7gm
References
More Lenovo A540-24icb Firmware vulnerabilities
- TI-2021-03076 Improper input validation in Lenovo BIOS CVSS 3.1MEDIUM 6.7
Sources
- CVE-2021-4210 · CVE Program
- CVE-2021-4210 · NVD
- FIRST EPSS
- GHSA-2gc6-xpq3-f7gm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences