# What is CVE-2021-4210?

> CVE-2021-4210 is a medium-severity flaw (CVSS 6.7) in Stadia Ggp-120 Firmware from Lenovo, published on 22 April 2022. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 0.3%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2021-4210

## At a glance

- **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle.
- **Precursor Intelligence risk score:** 27 out of 100 (Low); action: Monitor. Kept up to date as the evidence changes.
- **Severity:** Medium (CVSS 6.7 out of 10)
- **Known to be exploited:** No, not on the list of flaws known to be exploited today
- **Chance of use in the next 30 days:** 0.3% (latest exploit-likelihood forecast)
- **Published:** 22 April 2022
- **Record last updated:** 9 August 2022
- **Main product:** Stadia Ggp-120 Firmware from Lenovo
- **Affected products:** 64

## What is CVE-2021-4210? In plain terms

An attacker has to be already on the device with an administrator account, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline.

### The official description

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.

### What kind of flaw is it?

- CWE-20: Improper Input Validation

### How an attack on it works

- Where an attacker can be: Already on the device
- How hard it is to pull off: Easy: no special conditions
- Login needed first: An administrator account
- Does someone have to click: No, nobody has to do anything
- What an attacker gets: Can read data, change data and take it offline

Severity vector: `CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`

## Is CVE-2021-4210 being exploited? Not that we know of

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.3%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 0.3%, 0.3%, 0.3%, 0.3%, 0.3%, 0.3%, 0.3%.

### Timeline

- 22 April 2022: Published
- 9 August 2022: Record last updated

### How Precursor Intelligence ranks it

CVE-2021-4210 scores **27 out of 100 (Low)**, with the action "Monitor".

Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less:

- Evidence it is being exploited: biggest factor
- How severe it is: strong factor
- How widely exposed it is: smaller factor
- Threat activity around it: smaller factor

85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it.

## Who is affected by CVE-2021-4210?

The published record lists 64 products.

- [Stadia Ggp-120 Firmware](https://www.precursorintelligence.com/product/lenovo/stadia_ggp-120_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [A540-24icb](https://www.precursorintelligence.com/product/lenovo/a540-24icb) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [A540-24icb Firmware](https://www.precursorintelligence.com/product/lenovo/a540-24icb_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [A540-27icb](https://www.precursorintelligence.com/product/lenovo/a540-27icb) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [A540-27icb Firmware](https://www.precursorintelligence.com/product/lenovo/a540-27icb_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Ideacentre 5-14imb05](https://www.precursorintelligence.com/product/lenovo/ideacentre_5-14imb05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre 5-14imb05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_5-14imb05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Ideacentre Aio 3-22ada6](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-22ada6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-22ada6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-22ada6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Ideacentre Aio 3-22iil5](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-22iil5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-22iil5 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-22iil5_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Ideacentre Aio 3-22itl6](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-22itl6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-22itl6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-22itl6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Ideacentre Aio 3-24ada6](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-24ada6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-24ada6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-24ada6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Ideacentre Aio 3-24iil5](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-24iil5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-24iil5 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-24iil5_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Ideacentre Aio 3-24itl6](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-24itl6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-24itl6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-24itl6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Ideacentre Aio 3-27itl6](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-27itl6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-27itl6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-27itl6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Ideacentre C5-14imb05](https://www.precursorintelligence.com/product/lenovo/ideacentre_c5-14imb05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre C5-14imb05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_c5-14imb05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Ideacentre G5-14imb05](https://www.precursorintelligence.com/product/lenovo/ideacentre_g5-14imb05) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre G5-14imb05 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_g5-14imb05_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Stadia Ggp-120](https://www.precursorintelligence.com/product/lenovo/stadia_ggp-120) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M700](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m700) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M700 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m700_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre M700 Tiny](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m700_tiny) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M700 Tiny Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m700_tiny_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre M70a](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m70a) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M70a Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m70a_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre M75n](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m75n) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M75n Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m75n_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre M800](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m800) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M800 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m800_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre M810z](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m810z) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M810z Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m810z_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre M820z](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m820z) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M820z Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m820z_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre M900](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m900) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M900 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m900_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre M900x](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m900x) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M900x Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m900x_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre M90a Gen2](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m90a_gen2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M90a Gen2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m90a_gen2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre M910z](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m910z) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M910z Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m910z_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkcentre X1](https://www.precursorintelligence.com/product/lenovo/thinkcentre_x1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre X1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_x1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkedge Se30](https://www.precursorintelligence.com/product/lenovo/thinkedge_se30) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkedge Se30 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkedge_se30_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkstation P310](https://www.precursorintelligence.com/product/lenovo/thinkstation_p310) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkstation P310 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkstation_p310_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkstation P520](https://www.precursorintelligence.com/product/lenovo/thinkstation_p520) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkstation P520 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkstation_p520_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkstation P520c](https://www.precursorintelligence.com/product/lenovo/thinkstation_p520c) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkstation P520c Firmware](https://www.precursorintelligence.com/product/lenovo/thinkstation_p520c_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [V410z](https://www.precursorintelligence.com/product/lenovo/v410z) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [V410z Firmware](https://www.precursorintelligence.com/product/lenovo/v410z_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [V50t-13imb](https://www.precursorintelligence.com/product/lenovo/v50t-13imb) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [V50t-13imb Firmware](https://www.precursorintelligence.com/product/lenovo/v50t-13imb_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [V540-24iwl](https://www.precursorintelligence.com/product/lenovo/v540-24iwl) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [V540-24iwl Firmware](https://www.precursorintelligence.com/product/lenovo/v540-24iwl_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified

## How do I fix CVE-2021-4210?

1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list.
2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list.
3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in.
4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood.

### References

- [support.lenovo.com](https://support.lenovo.com/us/en/product_security/LEN-77639) (Patch, Vendor advisory)

## Questions

### What is CVE-2021-4210?

CVE-2021-4210 is a medium-severity flaw in Stadia Ggp-120 Firmware from Lenovo, published on 22 April 2022. An attacker has to be already on the device with an administrator account, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline.

### How serious is CVE-2021-4210?

It scores 6.7 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2021-4210 is 27 out of 100, which is Low. Its action is "Monitor". No sign of exploitation and a low forecast. Patch it in your normal update cycle.

### Is CVE-2021-4210 being exploited?

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.3%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2021-4210 affect?

For Stadia Ggp-120 Firmware from Lenovo: version not specified. The record lists 64 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2021-4210?

Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet.

## Does CVE-2021-4210 affect you?

Precursor Intelligence keeps checking for you:

- **Tell us what you run.** Pick your software from a list, or let us work it out from your website.
- **We match it to every flaw.** Over 400,000 published flaws, checked against your list.
- **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it.
- **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools.

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